Home / 2,557.88-3,528.42-1,770.56

Finding the Fourth Proportional to 2,557.88, 3,528.42 and 1,770.56

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Solution

The fourth proportional to 2,557.88, 3,528.42 and 1,770.56 is: 2,442.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,557.88 : 3,528.42 = 1,770.56 : x
  2. Step 2: Convert to fraction form
    2,557.88/3,528.42 = 1,770.56/x
  3. Step 3: Cross multiply
    2,557.88x = 3,528.42 × 1,770.56
  4. Step 4: Simplify right side
    2,557.88x = 6,247,279.32
  5. Step 5: Solve for x
    x = 6,247,279.32/2,557.88
  6. Step 6: Final answer
    x = 2,442.37

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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.