Home / 1,534.56-2,116.08-1,314.24

Finding the Fourth Proportional to 1,534.56, 2,116.08 and 1,314.24

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Solution

The fourth proportional to 1,534.56, 2,116.08 and 1,314.24 is: 1,812.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,534.56 : 2,116.08 = 1,314.24 : x
  2. Step 2: Convert to fraction form
    1,534.56/2,116.08 = 1,314.24/x
  3. Step 3: Cross multiply
    1,534.56x = 2,116.08 × 1,314.24
  4. Step 4: Simplify right side
    1,534.56x = 2,781,036.98
  5. Step 5: Solve for x
    x = 2,781,036.98/1,534.56
  6. Step 6: Final answer
    x = 1,812.27

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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.