Home / 4,088.61-5,642.42-2,895.74

Finding the Fourth Proportional to 4,088.61, 5,642.42 and 2,895.74

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Solution

The fourth proportional to 4,088.61, 5,642.42 and 2,895.74 is: 3,996.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,088.61 : 5,642.42 = 2,895.74 : x
  2. Step 2: Convert to fraction form
    4,088.61/5,642.42 = 2,895.74/x
  3. Step 3: Cross multiply
    4,088.61x = 5,642.42 × 2,895.74
  4. Step 4: Simplify right side
    4,088.61x = 16,338,959.76
  5. Step 5: Solve for x
    x = 16,338,959.76/4,088.61
  6. Step 6: Final answer
    x = 3,996.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.