Home / 2,418.95-3,337.20-1,579.39

Finding the Fourth Proportional to 2,418.95, 3,337.20 and 1,579.39

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Solution

The fourth proportional to 2,418.95, 3,337.20 and 1,579.39 is: 2,178.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,418.95 : 3,337.20 = 1,579.39 : x
  2. Step 2: Convert to fraction form
    2,418.95/3,337.20 = 1,579.39/x
  3. Step 3: Cross multiply
    2,418.95x = 3,337.20 × 1,579.39
  4. Step 4: Simplify right side
    2,418.95x = 5,270,740.31
  5. Step 5: Solve for x
    x = 5,270,740.31/2,418.95
  6. Step 6: Final answer
    x = 2,178.94

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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.