Home / 2,007.40-3,011.10-837.19

Finding the Fourth Proportional to 2,007.40, 3,011.10 and 837.19

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Solution

The fourth proportional to 2,007.40, 3,011.10 and 837.19 is: 1,255.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,007.40 : 3,011.10 = 837.19 : x
  2. Step 2: Convert to fraction form
    2,007.40/3,011.10 = 837.19/x
  3. Step 3: Cross multiply
    2,007.40x = 3,011.10 × 837.19
  4. Step 4: Simplify right side
    2,007.40x = 2,520,862.81
  5. Step 5: Solve for x
    x = 2,520,862.81/2,007.40
  6. Step 6: Final answer
    x = 1,255.79

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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.