Home / 1,150.40-1,713.56-1,136.03

Finding the Fourth Proportional to 1,150.40, 1,713.56 and 1,136.03

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Solution

The fourth proportional to 1,150.40, 1,713.56 and 1,136.03 is: 1,692.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,150.40 : 1,713.56 = 1,136.03 : x
  2. Step 2: Convert to fraction form
    1,150.40/1,713.56 = 1,136.03/x
  3. Step 3: Cross multiply
    1,150.40x = 1,713.56 × 1,136.03
  4. Step 4: Simplify right side
    1,150.40x = 1,946,641.32
  5. Step 5: Solve for x
    x = 1,946,641.32/1,150.40
  6. Step 6: Final answer
    x = 1,692.14

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.