Home / 3,555.23-5,335.68-2,631.02

Finding the Fourth Proportional to 3,555.23, 5,335.68 and 2,631.02

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Solution

The fourth proportional to 3,555.23, 5,335.68 and 2,631.02 is: 3,948.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,555.23 : 5,335.68 = 2,631.02 : x
  2. Step 2: Convert to fraction form
    3,555.23/5,335.68 = 2,631.02/x
  3. Step 3: Cross multiply
    3,555.23x = 5,335.68 × 2,631.02
  4. Step 4: Simplify right side
    3,555.23x = 14,038,280.79
  5. Step 5: Solve for x
    x = 14,038,280.79/3,555.23
  6. Step 6: Final answer
    x = 3,948.63

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.