Home / 3,240.38-4,858.95-1,598.78

Finding the Fourth Proportional to 3,240.38, 4,858.95 and 1,598.78

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Solution

The fourth proportional to 3,240.38, 4,858.95 and 1,598.78 is: 2,397.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,240.38 : 4,858.95 = 1,598.78 : x
  2. Step 2: Convert to fraction form
    3,240.38/4,858.95 = 1,598.78/x
  3. Step 3: Cross multiply
    3,240.38x = 4,858.95 × 1,598.78
  4. Step 4: Simplify right side
    3,240.38x = 7,768,392.08
  5. Step 5: Solve for x
    x = 7,768,392.08/3,240.38
  6. Step 6: Final answer
    x = 2,397.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.