Home / 4,098.48-5,656.29-2,420.40

Finding the Fourth Proportional to 4,098.48, 5,656.29 and 2,420.40

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Solution

The fourth proportional to 4,098.48, 5,656.29 and 2,420.40 is: 3,340.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,098.48 : 5,656.29 = 2,420.40 : x
  2. Step 2: Convert to fraction form
    4,098.48/5,656.29 = 2,420.40/x
  3. Step 3: Cross multiply
    4,098.48x = 5,656.29 × 2,420.40
  4. Step 4: Simplify right side
    4,098.48x = 13,690,484.32
  5. Step 5: Solve for x
    x = 13,690,484.32/4,098.48
  6. Step 6: Final answer
    x = 3,340.38

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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.