Home / 1,526.16-2,106.12-862.95

Finding the Fourth Proportional to 1,526.16, 2,106.12 and 862.95

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Solution

The fourth proportional to 1,526.16, 2,106.12 and 862.95 is: 1,190.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,526.16 : 2,106.12 = 862.95 : x
  2. Step 2: Convert to fraction form
    1,526.16/2,106.12 = 862.95/x
  3. Step 3: Cross multiply
    1,526.16x = 2,106.12 × 862.95
  4. Step 4: Simplify right side
    1,526.16x = 1,817,476.25
  5. Step 5: Solve for x
    x = 1,817,476.25/1,526.16
  6. Step 6: Final answer
    x = 1,190.88

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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.