Home / 2,407.18-3,608.61-947.38

Finding the Fourth Proportional to 2,407.18, 3,608.61 and 947.38

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Solution

The fourth proportional to 2,407.18, 3,608.61 and 947.38 is: 1,420.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,407.18 : 3,608.61 = 947.38 : x
  2. Step 2: Convert to fraction form
    2,407.18/3,608.61 = 947.38/x
  3. Step 3: Cross multiply
    2,407.18x = 3,608.61 × 947.38
  4. Step 4: Simplify right side
    2,407.18x = 3,418,724.94
  5. Step 5: Solve for x
    x = 3,418,724.94/2,407.18
  6. Step 6: Final answer
    x = 1,420.22

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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.