Home / 3,127.06-4,686.75-1,973.14

Finding the Fourth Proportional to 3,127.06, 4,686.75 and 1,973.14

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Solution

The fourth proportional to 3,127.06, 4,686.75 and 1,973.14 is: 2,957.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,127.06 : 4,686.75 = 1,973.14 : x
  2. Step 2: Convert to fraction form
    3,127.06/4,686.75 = 1,973.14/x
  3. Step 3: Cross multiply
    3,127.06x = 4,686.75 × 1,973.14
  4. Step 4: Simplify right side
    3,127.06x = 9,247,613.90
  5. Step 5: Solve for x
    x = 9,247,613.90/3,127.06
  6. Step 6: Final answer
    x = 2,957.29

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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.