Home / 2,356.17-3,249.33-1,515.39

Finding the Fourth Proportional to 2,356.17, 3,249.33 and 1,515.39

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Solution

The fourth proportional to 2,356.17, 3,249.33 and 1,515.39 is: 2,089.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,356.17 : 3,249.33 = 1,515.39 : x
  2. Step 2: Convert to fraction form
    2,356.17/3,249.33 = 1,515.39/x
  3. Step 3: Cross multiply
    2,356.17x = 3,249.33 × 1,515.39
  4. Step 4: Simplify right side
    2,356.17x = 4,924,002.19
  5. Step 5: Solve for x
    x = 4,924,002.19/2,356.17
  6. Step 6: Final answer
    x = 2,089.83

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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.