Home / 1,301.28-1,952.21-607.57

Finding the Fourth Proportional to 1,301.28, 1,952.21 and 607.57

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Solution

The fourth proportional to 1,301.28, 1,952.21 and 607.57 is: 911.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,301.28 : 1,952.21 = 607.57 : x
  2. Step 2: Convert to fraction form
    1,301.28/1,952.21 = 607.57/x
  3. Step 3: Cross multiply
    1,301.28x = 1,952.21 × 607.57
  4. Step 4: Simplify right side
    1,301.28x = 1,186,096.31
  5. Step 5: Solve for x
    x = 1,186,096.31/1,301.28
  6. Step 6: Final answer
    x = 911.49

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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.