Home / 2,210.28-3,314.18-976.22

Finding the Fourth Proportional to 2,210.28, 3,314.18 and 976.22

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Solution

The fourth proportional to 2,210.28, 3,314.18 and 976.22 is: 1,463.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,210.28 : 3,314.18 = 976.22 : x
  2. Step 2: Convert to fraction form
    2,210.28/3,314.18 = 976.22/x
  3. Step 3: Cross multiply
    2,210.28x = 3,314.18 × 976.22
  4. Step 4: Simplify right side
    2,210.28x = 3,235,368.80
  5. Step 5: Solve for x
    x = 3,235,368.80/2,210.28
  6. Step 6: Final answer
    x = 1,463.78

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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.