Home / 2,761.08-4,140.90-1,030.20

Finding the Fourth Proportional to 2,761.08, 4,140.90 and 1,030.20

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Solution

The fourth proportional to 2,761.08, 4,140.90 and 1,030.20 is: 1,545.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,761.08 : 4,140.90 = 1,030.20 : x
  2. Step 2: Convert to fraction form
    2,761.08/4,140.90 = 1,030.20/x
  3. Step 3: Cross multiply
    2,761.08x = 4,140.90 × 1,030.20
  4. Step 4: Simplify right side
    2,761.08x = 4,265,955.18
  5. Step 5: Solve for x
    x = 4,265,955.18/2,761.08
  6. Step 6: Final answer
    x = 1,545.03

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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.