Home / 1,874.25-2,586.66-1,077.69

Finding the Fourth Proportional to 1,874.25, 2,586.66 and 1,077.69

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Solution

The fourth proportional to 1,874.25, 2,586.66 and 1,077.69 is: 1,487.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,874.25 : 2,586.66 = 1,077.69 : x
  2. Step 2: Convert to fraction form
    1,874.25/2,586.66 = 1,077.69/x
  3. Step 3: Cross multiply
    1,874.25x = 2,586.66 × 1,077.69
  4. Step 4: Simplify right side
    1,874.25x = 2,787,617.62
  5. Step 5: Solve for x
    x = 2,787,617.62/1,874.25
  6. Step 6: Final answer
    x = 1,487.32

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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.