Home / 4,117.80-5,683.28-2,440.15

Finding the Fourth Proportional to 4,117.80, 5,683.28 and 2,440.15

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Solution

The fourth proportional to 4,117.80, 5,683.28 and 2,440.15 is: 3,367.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,117.80 : 5,683.28 = 2,440.15 : x
  2. Step 2: Convert to fraction form
    4,117.80/5,683.28 = 2,440.15/x
  3. Step 3: Cross multiply
    4,117.80x = 5,683.28 × 2,440.15
  4. Step 4: Simplify right side
    4,117.80x = 13,868,055.69
  5. Step 5: Solve for x
    x = 13,868,055.69/4,117.80
  6. Step 6: Final answer
    x = 3,367.83

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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.