Home / 1,246.59-1,869.48-424.85

Finding the Fourth Proportional to 1,246.59, 1,869.48 and 424.85

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Solution

The fourth proportional to 1,246.59, 1,869.48 and 424.85 is: 637.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,246.59 : 1,869.48 = 424.85 : x
  2. Step 2: Convert to fraction form
    1,246.59/1,869.48 = 424.85/x
  3. Step 3: Cross multiply
    1,246.59x = 1,869.48 × 424.85
  4. Step 4: Simplify right side
    1,246.59x = 794,239.23
  5. Step 5: Solve for x
    x = 794,239.23/1,246.59
  6. Step 6: Final answer
    x = 637.13

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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.