Home / 1,532.23-2,298.56-491.99

Finding the Fourth Proportional to 1,532.23, 2,298.56 and 491.99

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Solution

The fourth proportional to 1,532.23, 2,298.56 and 491.99 is: 738.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,532.23 : 2,298.56 = 491.99 : x
  2. Step 2: Convert to fraction form
    1,532.23/2,298.56 = 491.99/x
  3. Step 3: Cross multiply
    1,532.23x = 2,298.56 × 491.99
  4. Step 4: Simplify right side
    1,532.23x = 1,130,854.58
  5. Step 5: Solve for x
    x = 1,130,854.58/1,532.23
  6. Step 6: Final answer
    x = 738.04

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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.