Home / 2,601.28-3,590.40-1,718.56

Finding the Fourth Proportional to 2,601.28, 3,590.40 and 1,718.56

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Solution

The fourth proportional to 2,601.28, 3,590.40 and 1,718.56 is: 2,372.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,601.28 : 3,590.40 = 1,718.56 : x
  2. Step 2: Convert to fraction form
    2,601.28/3,590.40 = 1,718.56/x
  3. Step 3: Cross multiply
    2,601.28x = 3,590.40 × 1,718.56
  4. Step 4: Simplify right side
    2,601.28x = 6,170,317.82
  5. Step 5: Solve for x
    x = 6,170,317.82/2,601.28
  6. Step 6: Final answer
    x = 2,372.03

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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.