Home / 3,557.93-4,909.21-2,717.15

Finding the Fourth Proportional to 3,557.93, 4,909.21 and 2,717.15

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Solution

The fourth proportional to 3,557.93, 4,909.21 and 2,717.15 is: 3,749.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,557.93 : 4,909.21 = 2,717.15 : x
  2. Step 2: Convert to fraction form
    3,557.93/4,909.21 = 2,717.15/x
  3. Step 3: Cross multiply
    3,557.93x = 4,909.21 × 2,717.15
  4. Step 4: Simplify right side
    3,557.93x = 13,339,028.61
  5. Step 5: Solve for x
    x = 13,339,028.61/3,557.93
  6. Step 6: Final answer
    x = 3,749.10

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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.