Home / 2,353.78-3,248.20-1,359.37

Finding the Fourth Proportional to 2,353.78, 3,248.20 and 1,359.37

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Solution

The fourth proportional to 2,353.78, 3,248.20 and 1,359.37 is: 1,875.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,353.78 : 3,248.20 = 1,359.37 : x
  2. Step 2: Convert to fraction form
    2,353.78/3,248.20 = 1,359.37/x
  3. Step 3: Cross multiply
    2,353.78x = 3,248.20 × 1,359.37
  4. Step 4: Simplify right side
    2,353.78x = 4,415,505.63
  5. Step 5: Solve for x
    x = 4,415,505.63/2,353.78
  6. Step 6: Final answer
    x = 1,875.92

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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.