Home / 2,323.38-3,206.28-1,261.15

Finding the Fourth Proportional to 2,323.38, 3,206.28 and 1,261.15

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Solution

The fourth proportional to 2,323.38, 3,206.28 and 1,261.15 is: 1,740.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,323.38 : 3,206.28 = 1,261.15 : x
  2. Step 2: Convert to fraction form
    2,323.38/3,206.28 = 1,261.15/x
  3. Step 3: Cross multiply
    2,323.38x = 3,206.28 × 1,261.15
  4. Step 4: Simplify right side
    2,323.38x = 4,043,600.02
  5. Step 5: Solve for x
    x = 4,043,600.02/2,323.38
  6. Step 6: Final answer
    x = 1,740.40

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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.