Home / 4,071.68-5,615.40-2,577.92

Finding the Fourth Proportional to 4,071.68, 5,615.40 and 2,577.92

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Solution

The fourth proportional to 4,071.68, 5,615.40 and 2,577.92 is: 3,555.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,071.68 : 5,615.40 = 2,577.92 : x
  2. Step 2: Convert to fraction form
    4,071.68/5,615.40 = 2,577.92/x
  3. Step 3: Cross multiply
    4,071.68x = 5,615.40 × 2,577.92
  4. Step 4: Simplify right side
    4,071.68x = 14,476,051.97
  5. Step 5: Solve for x
    x = 14,476,051.97/4,071.68
  6. Step 6: Final answer
    x = 3,555.30

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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.