Home / 3,543.72-4,882.56-2,643.66

Finding the Fourth Proportional to 3,543.72, 4,882.56 and 2,643.66

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Solution

The fourth proportional to 3,543.72, 4,882.56 and 2,643.66 is: 3,642.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,543.72 : 4,882.56 = 2,643.66 : x
  2. Step 2: Convert to fraction form
    3,543.72/4,882.56 = 2,643.66/x
  3. Step 3: Cross multiply
    3,543.72x = 4,882.56 × 2,643.66
  4. Step 4: Simplify right side
    3,543.72x = 12,907,828.57
  5. Step 5: Solve for x
    x = 12,907,828.57/3,543.72
  6. Step 6: Final answer
    x = 3,642.45

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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.