Home / 3,714.93-5,127.30-2,143.13

Finding the Fourth Proportional to 3,714.93, 5,127.30 and 2,143.13

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Solution

The fourth proportional to 3,714.93, 5,127.30 and 2,143.13 is: 2,957.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,714.93 : 5,127.30 = 2,143.13 : x
  2. Step 2: Convert to fraction form
    3,714.93/5,127.30 = 2,143.13/x
  3. Step 3: Cross multiply
    3,714.93x = 5,127.30 × 2,143.13
  4. Step 4: Simplify right side
    3,714.93x = 10,988,444.81
  5. Step 5: Solve for x
    x = 10,988,444.81/3,714.93
  6. Step 6: Final answer
    x = 2,957.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.