Home / 3,730.48-5,148.36-2,158.60

Finding the Fourth Proportional to 3,730.48, 5,148.36 and 2,158.60

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Solution

The fourth proportional to 3,730.48, 5,148.36 and 2,158.60 is: 2,979.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,730.48 : 5,148.36 = 2,158.60 : x
  2. Step 2: Convert to fraction form
    3,730.48/5,148.36 = 2,158.60/x
  3. Step 3: Cross multiply
    3,730.48x = 5,148.36 × 2,158.60
  4. Step 4: Simplify right side
    3,730.48x = 11,113,249.90
  5. Step 5: Solve for x
    x = 11,113,249.90/3,730.48
  6. Step 6: Final answer
    x = 2,979.04

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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.