Home / 1,122.28-1,683.89-602.14

Finding the Fourth Proportional to 1,122.28, 1,683.89 and 602.14

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Solution

The fourth proportional to 1,122.28, 1,683.89 and 602.14 is: 903.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,122.28 : 1,683.89 = 602.14 : x
  2. Step 2: Convert to fraction form
    1,122.28/1,683.89 = 602.14/x
  3. Step 3: Cross multiply
    1,122.28x = 1,683.89 × 602.14
  4. Step 4: Simplify right side
    1,122.28x = 1,013,937.52
  5. Step 5: Solve for x
    x = 1,013,937.52/1,122.28
  6. Step 6: Final answer
    x = 903.46

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.