Home / 2,760.50-4,140.95-1,029.13

Finding the Fourth Proportional to 2,760.50, 4,140.95 and 1,029.13

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Solution

The fourth proportional to 2,760.50, 4,140.95 and 1,029.13 is: 1,543.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,760.50 : 4,140.95 = 1,029.13 : x
  2. Step 2: Convert to fraction form
    2,760.50/4,140.95 = 1,029.13/x
  3. Step 3: Cross multiply
    2,760.50x = 4,140.95 × 1,029.13
  4. Step 4: Simplify right side
    2,760.50x = 4,261,575.87
  5. Step 5: Solve for x
    x = 4,261,575.87/2,760.50
  6. Step 6: Final answer
    x = 1,543.77

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1.5x scale

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.