Home / 1,551.08-2,321.92-1,002.16

Finding the Fourth Proportional to 1,551.08, 2,321.92 and 1,002.16

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Solution

The fourth proportional to 1,551.08, 2,321.92 and 1,002.16 is: 1,500.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,551.08 : 2,321.92 = 1,002.16 : x
  2. Step 2: Convert to fraction form
    1,551.08/2,321.92 = 1,002.16/x
  3. Step 3: Cross multiply
    1,551.08x = 2,321.92 × 1,002.16
  4. Step 4: Simplify right side
    1,551.08x = 2,326,935.35
  5. Step 5: Solve for x
    x = 2,326,935.35/1,551.08
  6. Step 6: Final answer
    x = 1,500.20

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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.