Home / 3,705.60-5,088.66-3,115.14

Finding the Fourth Proportional to 3,705.60, 5,088.66 and 3,115.14

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Solution

The fourth proportional to 3,705.60, 5,088.66 and 3,115.14 is: 4,277.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,705.60 : 5,088.66 = 3,115.14 : x
  2. Step 2: Convert to fraction form
    3,705.60/5,088.66 = 3,115.14/x
  3. Step 3: Cross multiply
    3,705.60x = 5,088.66 × 3,115.14
  4. Step 4: Simplify right side
    3,705.60x = 15,851,888.31
  5. Step 5: Solve for x
    x = 15,851,888.31/3,705.60
  6. Step 6: Final answer
    x = 4,277.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.