Home / 1,112.11-1,535.27-692.60

Finding the Fourth Proportional to 1,112.11, 1,535.27 and 692.60

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Solution

The fourth proportional to 1,112.11, 1,535.27 and 692.60 is: 956.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,112.11 : 1,535.27 = 692.60 : x
  2. Step 2: Convert to fraction form
    1,112.11/1,535.27 = 692.60/x
  3. Step 3: Cross multiply
    1,112.11x = 1,535.27 × 692.60
  4. Step 4: Simplify right side
    1,112.11x = 1,063,328.00
  5. Step 5: Solve for x
    x = 1,063,328.00/1,112.11
  6. Step 6: Final answer
    x = 956.14

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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.