Home / 1,534.62-2,114.70-1,068.06

Finding the Fourth Proportional to 1,534.62, 2,114.70 and 1,068.06

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Solution

The fourth proportional to 1,534.62, 2,114.70 and 1,068.06 is: 1,471.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,534.62 : 2,114.70 = 1,068.06 : x
  2. Step 2: Convert to fraction form
    1,534.62/2,114.70 = 1,068.06/x
  3. Step 3: Cross multiply
    1,534.62x = 2,114.70 × 1,068.06
  4. Step 4: Simplify right side
    1,534.62x = 2,258,626.48
  5. Step 5: Solve for x
    x = 2,258,626.48/1,534.62
  6. Step 6: Final answer
    x = 1,471.78

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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.