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Finding the Fourth Proportional to 1,557.70, 2,336.84 and 462.12

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Solution

The fourth proportional to 1,557.70, 2,336.84 and 462.12 is: 693.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,557.70 : 2,336.84 = 462.12 : x
  2. Step 2: Convert to fraction form
    1,557.70/2,336.84 = 462.12/x
  3. Step 3: Cross multiply
    1,557.70x = 2,336.84 × 462.12
  4. Step 4: Simplify right side
    1,557.70x = 1,079,900.50
  5. Step 5: Solve for x
    x = 1,079,900.50/1,557.70
  6. Step 6: Final answer
    x = 693.27

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Double scale
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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.