Home / 4,070.65-5,616.76-2,278.17

Finding the Fourth Proportional to 4,070.65, 5,616.76 and 2,278.17

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Solution

The fourth proportional to 4,070.65, 5,616.76 and 2,278.17 is: 3,143.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,070.65 : 5,616.76 = 2,278.17 : x
  2. Step 2: Convert to fraction form
    4,070.65/5,616.76 = 2,278.17/x
  3. Step 3: Cross multiply
    4,070.65x = 5,616.76 × 2,278.17
  4. Step 4: Simplify right side
    4,070.65x = 12,795,934.13
  5. Step 5: Solve for x
    x = 12,795,934.13/4,070.65
  6. Step 6: Final answer
    x = 3,143.46

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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.