Home / 3,150.60-4,347.62-1,753.32

Finding the Fourth Proportional to 3,150.60, 4,347.62 and 1,753.32

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Solution

The fourth proportional to 3,150.60, 4,347.62 and 1,753.32 is: 2,419.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,150.60 : 4,347.62 = 1,753.32 : x
  2. Step 2: Convert to fraction form
    3,150.60/4,347.62 = 1,753.32/x
  3. Step 3: Cross multiply
    3,150.60x = 4,347.62 × 1,753.32
  4. Step 4: Simplify right side
    3,150.60x = 7,622,769.10
  5. Step 5: Solve for x
    x = 7,622,769.10/3,150.60
  6. Step 6: Final answer
    x = 2,419.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.