Home / 4,017.60-5,540.40-2,620.08

Finding the Fourth Proportional to 4,017.60, 5,540.40 and 2,620.08

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Solution

The fourth proportional to 4,017.60, 5,540.40 and 2,620.08 is: 3,613.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,017.60 : 5,540.40 = 2,620.08 : x
  2. Step 2: Convert to fraction form
    4,017.60/5,540.40 = 2,620.08/x
  3. Step 3: Cross multiply
    4,017.60x = 5,540.40 × 2,620.08
  4. Step 4: Simplify right side
    4,017.60x = 14,516,291.23
  5. Step 5: Solve for x
    x = 14,516,291.23/4,017.60
  6. Step 6: Final answer
    x = 3,613.17

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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.