Home / 2,496.80-3,445.38-1,377.58

Finding the Fourth Proportional to 2,496.80, 3,445.38 and 1,377.58

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Solution

The fourth proportional to 2,496.80, 3,445.38 and 1,377.58 is: 1,900.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,496.80 : 3,445.38 = 1,377.58 : x
  2. Step 2: Convert to fraction form
    2,496.80/3,445.38 = 1,377.58/x
  3. Step 3: Cross multiply
    2,496.80x = 3,445.38 × 1,377.58
  4. Step 4: Simplify right side
    2,496.80x = 4,746,293.15
  5. Step 5: Solve for x
    x = 4,746,293.15/2,496.80
  6. Step 6: Final answer
    x = 1,900.95

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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.