Home / 2,156.01-2,972.93-1,456.17

Finding the Fourth Proportional to 2,156.01, 2,972.93 and 1,456.17

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Solution

The fourth proportional to 2,156.01, 2,972.93 and 1,456.17 is: 2,007.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,156.01 : 2,972.93 = 1,456.17 : x
  2. Step 2: Convert to fraction form
    2,156.01/2,972.93 = 1,456.17/x
  3. Step 3: Cross multiply
    2,156.01x = 2,972.93 × 1,456.17
  4. Step 4: Simplify right side
    2,156.01x = 4,329,080.25
  5. Step 5: Solve for x
    x = 4,329,080.25/2,156.01
  6. Step 6: Final answer
    x = 2,007.92

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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.