Home / 3,631.04-5,006.40-2,581.28

Finding the Fourth Proportional to 3,631.04, 5,006.40 and 2,581.28

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Solution

The fourth proportional to 3,631.04, 5,006.40 and 2,581.28 is: 3,559.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,631.04 : 5,006.40 = 2,581.28 : x
  2. Step 2: Convert to fraction form
    3,631.04/5,006.40 = 2,581.28/x
  3. Step 3: Cross multiply
    3,631.04x = 5,006.40 × 2,581.28
  4. Step 4: Simplify right side
    3,631.04x = 12,922,920.19
  5. Step 5: Solve for x
    x = 12,922,920.19/3,631.04
  6. Step 6: Final answer
    x = 3,559.01

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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.