Home / 3,717.67-5,574.74-2,158.15

Finding the Fourth Proportional to 3,717.67, 5,574.74 and 2,158.15

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Solution

The fourth proportional to 3,717.67, 5,574.74 and 2,158.15 is: 3,236.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,717.67 : 5,574.74 = 2,158.15 : x
  2. Step 2: Convert to fraction form
    3,717.67/5,574.74 = 2,158.15/x
  3. Step 3: Cross multiply
    3,717.67x = 5,574.74 × 2,158.15
  4. Step 4: Simplify right side
    3,717.67x = 12,031,129.40
  5. Step 5: Solve for x
    x = 12,031,129.40/3,717.67
  6. Step 6: Final answer
    x = 3,236.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.