Home / 2,685.24-4,024.95-1,126.09

Finding the Fourth Proportional to 2,685.24, 4,024.95 and 1,126.09

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Solution

The fourth proportional to 2,685.24, 4,024.95 and 1,126.09 is: 1,687.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,685.24 : 4,024.95 = 1,126.09 : x
  2. Step 2: Convert to fraction form
    2,685.24/4,024.95 = 1,126.09/x
  3. Step 3: Cross multiply
    2,685.24x = 4,024.95 × 1,126.09
  4. Step 4: Simplify right side
    2,685.24x = 4,532,459.01
  5. Step 5: Solve for x
    x = 4,532,459.01/2,685.24
  6. Step 6: Final answer
    x = 1,687.92

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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.