Home / 3,018.24-4,160.16-2,387.52

Finding the Fourth Proportional to 3,018.24, 4,160.16 and 2,387.52

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Solution

The fourth proportional to 3,018.24, 4,160.16 and 2,387.52 is: 3,290.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,018.24 : 4,160.16 = 2,387.52 : x
  2. Step 2: Convert to fraction form
    3,018.24/4,160.16 = 2,387.52/x
  3. Step 3: Cross multiply
    3,018.24x = 4,160.16 × 2,387.52
  4. Step 4: Simplify right side
    3,018.24x = 9,932,465.20
  5. Step 5: Solve for x
    x = 9,932,465.20/3,018.24
  6. Step 6: Final answer
    x = 3,290.81

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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.