Home / 1,349.24-2,022.98-424.52

Finding the Fourth Proportional to 1,349.24, 2,022.98 and 424.52

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Solution

The fourth proportional to 1,349.24, 2,022.98 and 424.52 is: 636.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,349.24 : 2,022.98 = 424.52 : x
  2. Step 2: Convert to fraction form
    1,349.24/2,022.98 = 424.52/x
  3. Step 3: Cross multiply
    1,349.24x = 2,022.98 × 424.52
  4. Step 4: Simplify right side
    1,349.24x = 858,795.47
  5. Step 5: Solve for x
    x = 858,795.47/1,349.24
  6. Step 6: Final answer
    x = 636.50

Related Problems

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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.