Home / 1,611.40-2,416.20-500.51

Finding the Fourth Proportional to 1,611.40, 2,416.20 and 500.51

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Solution

The fourth proportional to 1,611.40, 2,416.20 and 500.51 is: 750.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,611.40 : 2,416.20 = 500.51 : x
  2. Step 2: Convert to fraction form
    1,611.40/2,416.20 = 500.51/x
  3. Step 3: Cross multiply
    1,611.40x = 2,416.20 × 500.51
  4. Step 4: Simplify right side
    1,611.40x = 1,209,332.26
  5. Step 5: Solve for x
    x = 1,209,332.26/1,611.40
  6. Step 6: Final answer
    x = 750.49

Related Problems

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.