Home / 3,130.05-4,695.08-1,281.43

Finding the Fourth Proportional to 3,130.05, 4,695.08 and 1,281.43

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Solution

The fourth proportional to 3,130.05, 4,695.08 and 1,281.43 is: 1,922.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,130.05 : 4,695.08 = 1,281.43 : x
  2. Step 2: Convert to fraction form
    3,130.05/4,695.08 = 1,281.43/x
  3. Step 3: Cross multiply
    3,130.05x = 4,695.08 × 1,281.43
  4. Step 4: Simplify right side
    3,130.05x = 6,016,416.36
  5. Step 5: Solve for x
    x = 6,016,416.36/3,130.05
  6. Step 6: Final answer
    x = 1,922.15

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Similar ratio
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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.