Home / 2,286.90-3,154.32-2,210.76

Finding the Fourth Proportional to 2,286.90, 3,154.32 and 2,210.76

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Solution

The fourth proportional to 2,286.90, 3,154.32 and 2,210.76 is: 3,049.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,286.90 : 3,154.32 = 2,210.76 : x
  2. Step 2: Convert to fraction form
    2,286.90/3,154.32 = 2,210.76/x
  3. Step 3: Cross multiply
    2,286.90x = 3,154.32 × 2,210.76
  4. Step 4: Simplify right side
    2,286.90x = 6,973,444.48
  5. Step 5: Solve for x
    x = 6,973,444.48/2,286.90
  6. Step 6: Final answer
    x = 3,049.30

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Half scale
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Double scale
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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.