Home / 2,511.75-3,466.28-1,377.55

Finding the Fourth Proportional to 2,511.75, 3,466.28 and 1,377.55

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Solution

The fourth proportional to 2,511.75, 3,466.28 and 1,377.55 is: 1,901.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,511.75 : 3,466.28 = 1,377.55 : x
  2. Step 2: Convert to fraction form
    2,511.75/3,466.28 = 1,377.55/x
  3. Step 3: Cross multiply
    2,511.75x = 3,466.28 × 1,377.55
  4. Step 4: Simplify right side
    2,511.75x = 4,774,949.79
  5. Step 5: Solve for x
    x = 4,774,949.79/2,511.75
  6. Step 6: Final answer
    x = 1,901.05

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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.