Home / 3,117.50-4,298.60-2,322.22

Finding the Fourth Proportional to 3,117.50, 4,298.60 and 2,322.22

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Solution

The fourth proportional to 3,117.50, 4,298.60 and 2,322.22 is: 3,202.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,117.50 : 4,298.60 = 2,322.22 : x
  2. Step 2: Convert to fraction form
    3,117.50/4,298.60 = 2,322.22/x
  3. Step 3: Cross multiply
    3,117.50x = 4,298.60 × 2,322.22
  4. Step 4: Simplify right side
    3,117.50x = 9,982,294.89
  5. Step 5: Solve for x
    x = 9,982,294.89/3,117.50
  6. Step 6: Final answer
    x = 3,202.02

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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.