Home / 3,348.74-4,618.62-3,125.18

Finding the Fourth Proportional to 3,348.74, 4,618.62 and 3,125.18

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Solution

The fourth proportional to 3,348.74, 4,618.62 and 3,125.18 is: 4,310.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,348.74 : 4,618.62 = 3,125.18 : x
  2. Step 2: Convert to fraction form
    3,348.74/4,618.62 = 3,125.18/x
  3. Step 3: Cross multiply
    3,348.74x = 4,618.62 × 3,125.18
  4. Step 4: Simplify right side
    3,348.74x = 14,434,018.85
  5. Step 5: Solve for x
    x = 14,434,018.85/3,348.74
  6. Step 6: Final answer
    x = 4,310.28

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Half scale
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Double scale
Find fourth proportional to 3,349.74, 4,620 and 3,126.18
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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.