Home / 1,526.14-2,106.17-862.75

Finding the Fourth Proportional to 1,526.14, 2,106.17 and 862.75

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Solution

The fourth proportional to 1,526.14, 2,106.17 and 862.75 is: 1,190.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,526.14 : 2,106.17 = 862.75 : x
  2. Step 2: Convert to fraction form
    1,526.14/2,106.17 = 862.75/x
  3. Step 3: Cross multiply
    1,526.14x = 2,106.17 × 862.75
  4. Step 4: Simplify right side
    1,526.14x = 1,817,098.17
  5. Step 5: Solve for x
    x = 1,817,098.17/1,526.14
  6. Step 6: Final answer
    x = 1,190.65

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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.