Home / 3,442.13-4,714.55-3,240.16

Finding the Fourth Proportional to 3,442.13, 4,714.55 and 3,240.16

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Solution

The fourth proportional to 3,442.13, 4,714.55 and 3,240.16 is: 4,437.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,442.13 : 4,714.55 = 3,240.16 : x
  2. Step 2: Convert to fraction form
    3,442.13/4,714.55 = 3,240.16/x
  3. Step 3: Cross multiply
    3,442.13x = 4,714.55 × 3,240.16
  4. Step 4: Simplify right side
    3,442.13x = 15,275,884.64
  5. Step 5: Solve for x
    x = 15,275,884.64/3,442.13
  6. Step 6: Final answer
    x = 4,437.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.