Home / 1,974.17-2,724.26-1,134.28

Finding the Fourth Proportional to 1,974.17, 2,724.26 and 1,134.28

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Solution

The fourth proportional to 1,974.17, 2,724.26 and 1,134.28 is: 1,565.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,974.17 : 2,724.26 = 1,134.28 : x
  2. Step 2: Convert to fraction form
    1,974.17/2,724.26 = 1,134.28/x
  3. Step 3: Cross multiply
    1,974.17x = 2,724.26 × 1,134.28
  4. Step 4: Simplify right side
    1,974.17x = 3,090,073.63
  5. Step 5: Solve for x
    x = 3,090,073.63/1,974.17
  6. Step 6: Final answer
    x = 1,565.25

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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.