Home / 2,733.95-3,773.18-1,555.20

Finding the Fourth Proportional to 2,733.95, 3,773.18 and 1,555.20

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Solution

The fourth proportional to 2,733.95, 3,773.18 and 1,555.20 is: 2,146.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,733.95 : 3,773.18 = 1,555.20 : x
  2. Step 2: Convert to fraction form
    2,733.95/3,773.18 = 1,555.20/x
  3. Step 3: Cross multiply
    2,733.95x = 3,773.18 × 1,555.20
  4. Step 4: Simplify right side
    2,733.95x = 5,868,053.42
  5. Step 5: Solve for x
    x = 5,868,053.42/2,733.95
  6. Step 6: Final answer
    x = 2,146.36

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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.