Home / 1,497.23-2,245.88-631.55

Finding the Fourth Proportional to 1,497.23, 2,245.88 and 631.55

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Solution

The fourth proportional to 1,497.23, 2,245.88 and 631.55 is: 947.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,497.23 : 2,245.88 = 631.55 : x
  2. Step 2: Convert to fraction form
    1,497.23/2,245.88 = 631.55/x
  3. Step 3: Cross multiply
    1,497.23x = 2,245.88 × 631.55
  4. Step 4: Simplify right side
    1,497.23x = 1,418,376.52
  5. Step 5: Solve for x
    x = 1,418,376.52/1,497.23
  6. Step 6: Final answer
    x = 947.33

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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.