Home / 4,098.71-5,656.94-2,420.01

Finding the Fourth Proportional to 4,098.71, 5,656.94 and 2,420.01

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Solution

The fourth proportional to 4,098.71, 5,656.94 and 2,420.01 is: 3,340.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,098.71 : 5,656.94 = 2,420.01 : x
  2. Step 2: Convert to fraction form
    4,098.71/5,656.94 = 2,420.01/x
  3. Step 3: Cross multiply
    4,098.71x = 5,656.94 × 2,420.01
  4. Step 4: Simplify right side
    4,098.71x = 13,689,839.27
  5. Step 5: Solve for x
    x = 13,689,839.27/4,098.71
  6. Step 6: Final answer
    x = 3,340.04

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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.