Home / 2,512.18-3,466.70-1,377.85

Finding the Fourth Proportional to 2,512.18, 3,466.70 and 1,377.85

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Solution

The fourth proportional to 2,512.18, 3,466.70 and 1,377.85 is: 1,901.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,512.18 : 3,466.70 = 1,377.85 : x
  2. Step 2: Convert to fraction form
    2,512.18/3,466.70 = 1,377.85/x
  3. Step 3: Cross multiply
    2,512.18x = 3,466.70 × 1,377.85
  4. Step 4: Simplify right side
    2,512.18x = 4,776,592.60
  5. Step 5: Solve for x
    x = 4,776,592.60/2,512.18
  6. Step 6: Final answer
    x = 1,901.37

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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.