Home / 3,549.90-5,326.31-1,470.32

Finding the Fourth Proportional to 3,549.90, 5,326.31 and 1,470.32

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Solution

The fourth proportional to 3,549.90, 5,326.31 and 1,470.32 is: 2,206.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,549.90 : 5,326.31 = 1,470.32 : x
  2. Step 2: Convert to fraction form
    3,549.90/5,326.31 = 1,470.32/x
  3. Step 3: Cross multiply
    3,549.90x = 5,326.31 × 1,470.32
  4. Step 4: Simplify right side
    3,549.90x = 7,831,397.11
  5. Step 5: Solve for x
    x = 7,831,397.11/3,549.90
  6. Step 6: Final answer
    x = 2,206.09

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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.