Home / 2,335.08-3,222.15-1,340.40

Finding the Fourth Proportional to 2,335.08, 3,222.15 and 1,340.40

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Solution

The fourth proportional to 2,335.08, 3,222.15 and 1,340.40 is: 1,849.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,335.08 : 3,222.15 = 1,340.40 : x
  2. Step 2: Convert to fraction form
    2,335.08/3,222.15 = 1,340.40/x
  3. Step 3: Cross multiply
    2,335.08x = 3,222.15 × 1,340.40
  4. Step 4: Simplify right side
    2,335.08x = 4,318,969.86
  5. Step 5: Solve for x
    x = 4,318,969.86/2,335.08
  6. Step 6: Final answer
    x = 1,849.60

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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.