Home / 3,578.56-4,931.76-3,104.98

Finding the Fourth Proportional to 3,578.56, 4,931.76 and 3,104.98

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Solution

The fourth proportional to 3,578.56, 4,931.76 and 3,104.98 is: 4,279.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,578.56 : 4,931.76 = 3,104.98 : x
  2. Step 2: Convert to fraction form
    3,578.56/4,931.76 = 3,104.98/x
  3. Step 3: Cross multiply
    3,578.56x = 4,931.76 × 3,104.98
  4. Step 4: Simplify right side
    3,578.56x = 15,313,016.16
  5. Step 5: Solve for x
    x = 15,313,016.16/3,578.56
  6. Step 6: Final answer
    x = 4,279.10

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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.