Home / 2,354.40-3,248.64-1,763.68

Finding the Fourth Proportional to 2,354.40, 3,248.64 and 1,763.68

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Solution

The fourth proportional to 2,354.40, 3,248.64 and 1,763.68 is: 2,433.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,354.40 : 3,248.64 = 1,763.68 : x
  2. Step 2: Convert to fraction form
    2,354.40/3,248.64 = 1,763.68/x
  3. Step 3: Cross multiply
    2,354.40x = 3,248.64 × 1,763.68
  4. Step 4: Simplify right side
    2,354.40x = 5,729,561.40
  5. Step 5: Solve for x
    x = 5,729,561.40/2,354.40
  6. Step 6: Final answer
    x = 2,433.55

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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.