Home / 2,601.12-3,590.56-1,657.76

Finding the Fourth Proportional to 2,601.12, 3,590.56 and 1,657.76

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Solution

The fourth proportional to 2,601.12, 3,590.56 and 1,657.76 is: 2,288.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,601.12 : 3,590.56 = 1,657.76 : x
  2. Step 2: Convert to fraction form
    2,601.12/3,590.56 = 1,657.76/x
  3. Step 3: Cross multiply
    2,601.12x = 3,590.56 × 1,657.76
  4. Step 4: Simplify right side
    2,601.12x = 5,952,286.75
  5. Step 5: Solve for x
    x = 5,952,286.75/2,601.12
  6. Step 6: Final answer
    x = 2,288.36

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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.