Home / 4,098.85-5,656.35-2,420.32

Finding the Fourth Proportional to 4,098.85, 5,656.35 and 2,420.32

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Solution

The fourth proportional to 4,098.85, 5,656.35 and 2,420.32 is: 3,340.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,098.85 : 5,656.35 = 2,420.32 : x
  2. Step 2: Convert to fraction form
    4,098.85/5,656.35 = 2,420.32/x
  3. Step 3: Cross multiply
    4,098.85x = 5,656.35 × 2,420.32
  4. Step 4: Simplify right side
    4,098.85x = 13,690,177.03
  5. Step 5: Solve for x
    x = 13,690,177.03/4,098.85
  6. Step 6: Final answer
    x = 3,340.01

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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.