Home / 2,152.19-3,228.28-1,766.63

Finding the Fourth Proportional to 2,152.19, 3,228.28 and 1,766.63

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Solution

The fourth proportional to 2,152.19, 3,228.28 and 1,766.63 is: 2,649.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,152.19 : 3,228.28 = 1,766.63 : x
  2. Step 2: Convert to fraction form
    2,152.19/3,228.28 = 1,766.63/x
  3. Step 3: Cross multiply
    2,152.19x = 3,228.28 × 1,766.63
  4. Step 4: Simplify right side
    2,152.19x = 5,703,155.74
  5. Step 5: Solve for x
    x = 5,703,155.74/2,152.19
  6. Step 6: Final answer
    x = 2,649.94

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Double scale
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Similar ratio
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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.