Home / 3,615.18-5,420.13-2,442.29

Finding the Fourth Proportional to 3,615.18, 5,420.13 and 2,442.29

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Solution

The fourth proportional to 3,615.18, 5,420.13 and 2,442.29 is: 3,661.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,615.18 : 5,420.13 = 2,442.29 : x
  2. Step 2: Convert to fraction form
    3,615.18/5,420.13 = 2,442.29/x
  3. Step 3: Cross multiply
    3,615.18x = 5,420.13 × 2,442.29
  4. Step 4: Simplify right side
    3,615.18x = 13,237,502.20
  5. Step 5: Solve for x
    x = 13,237,502.20/3,615.18
  6. Step 6: Final answer
    x = 3,661.64

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1.5x scale

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.