Home / 4,040.40-5,572.04-2,643.92

Finding the Fourth Proportional to 4,040.40, 5,572.04 and 2,643.92

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Solution

The fourth proportional to 4,040.40, 5,572.04 and 2,643.92 is: 3,646.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,040.40 : 5,572.04 = 2,643.92 : x
  2. Step 2: Convert to fraction form
    4,040.40/5,572.04 = 2,643.92/x
  3. Step 3: Cross multiply
    4,040.40x = 5,572.04 × 2,643.92
  4. Step 4: Simplify right side
    4,040.40x = 14,732,028.00
  5. Step 5: Solve for x
    x = 14,732,028.00/4,040.40
  6. Step 6: Final answer
    x = 3,646.18

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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.