Home / 1,323.44-1,985.18-502.10

Finding the Fourth Proportional to 1,323.44, 1,985.18 and 502.10

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Solution

The fourth proportional to 1,323.44, 1,985.18 and 502.10 is: 753.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,323.44 : 1,985.18 = 502.10 : x
  2. Step 2: Convert to fraction form
    1,323.44/1,985.18 = 502.10/x
  3. Step 3: Cross multiply
    1,323.44x = 1,985.18 × 502.10
  4. Step 4: Simplify right side
    1,323.44x = 996,746.44
  5. Step 5: Solve for x
    x = 996,746.44/1,323.44
  6. Step 6: Final answer
    x = 753.15

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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.