Home / 2,681.61-4,022.97-1,295.91

Finding the Fourth Proportional to 2,681.61, 4,022.97 and 1,295.91

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Solution

The fourth proportional to 2,681.61, 4,022.97 and 1,295.91 is: 1,944.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,681.61 : 4,022.97 = 1,295.91 : x
  2. Step 2: Convert to fraction form
    2,681.61/4,022.97 = 1,295.91/x
  3. Step 3: Cross multiply
    2,681.61x = 4,022.97 × 1,295.91
  4. Step 4: Simplify right side
    2,681.61x = 5,213,407.05
  5. Step 5: Solve for x
    x = 5,213,407.05/2,681.61
  6. Step 6: Final answer
    x = 1,944.13

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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.