Home / 1,497.16-2,245.57-386.59

Finding the Fourth Proportional to 1,497.16, 2,245.57 and 386.59

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Solution

The fourth proportional to 1,497.16, 2,245.57 and 386.59 is: 579.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,497.16 : 2,245.57 = 386.59 : x
  2. Step 2: Convert to fraction form
    1,497.16/2,245.57 = 386.59/x
  3. Step 3: Cross multiply
    1,497.16x = 2,245.57 × 386.59
  4. Step 4: Simplify right side
    1,497.16x = 868,114.91
  5. Step 5: Solve for x
    x = 868,114.91/1,497.16
  6. Step 6: Final answer
    x = 579.84

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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.