Home / 2,143.32-2,957.76-1,358.01

Finding the Fourth Proportional to 2,143.32, 2,957.76 and 1,358.01

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Solution

The fourth proportional to 2,143.32, 2,957.76 and 1,358.01 is: 1,874.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,143.32 : 2,957.76 = 1,358.01 : x
  2. Step 2: Convert to fraction form
    2,143.32/2,957.76 = 1,358.01/x
  3. Step 3: Cross multiply
    2,143.32x = 2,957.76 × 1,358.01
  4. Step 4: Simplify right side
    2,143.32x = 4,016,667.66
  5. Step 5: Solve for x
    x = 4,016,667.66/2,143.32
  6. Step 6: Final answer
    x = 1,874.04

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