Home / 1,526.15-2,106.10-862.98

Finding the Fourth Proportional to 1,526.15, 2,106.10 and 862.98

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Solution

The fourth proportional to 1,526.15, 2,106.10 and 862.98 is: 1,190.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,526.15 : 2,106.10 = 862.98 : x
  2. Step 2: Convert to fraction form
    1,526.15/2,106.10 = 862.98/x
  3. Step 3: Cross multiply
    1,526.15x = 2,106.10 × 862.98
  4. Step 4: Simplify right side
    1,526.15x = 1,817,520.02
  5. Step 5: Solve for x
    x = 1,817,520.02/1,526.15
  6. Step 6: Final answer
    x = 1,190.92

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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.