Home / 2,577.95-3,558.41-1,515.66

Finding the Fourth Proportional to 2,577.95, 3,558.41 and 1,515.66

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Solution

The fourth proportional to 2,577.95, 3,558.41 and 1,515.66 is: 2,092.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,577.95 : 3,558.41 = 1,515.66 : x
  2. Step 2: Convert to fraction form
    2,577.95/3,558.41 = 1,515.66/x
  3. Step 3: Cross multiply
    2,577.95x = 3,558.41 × 1,515.66
  4. Step 4: Simplify right side
    2,577.95x = 5,393,350.20
  5. Step 5: Solve for x
    x = 5,393,350.20/2,577.95
  6. Step 6: Final answer
    x = 2,092.11

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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.