Home / 2,325.42-3,209.04-1,330.74

Finding the Fourth Proportional to 2,325.42, 3,209.04 and 1,330.74

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Solution

The fourth proportional to 2,325.42, 3,209.04 and 1,330.74 is: 1,836.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,325.42 : 3,209.04 = 1,330.74 : x
  2. Step 2: Convert to fraction form
    2,325.42/3,209.04 = 1,330.74/x
  3. Step 3: Cross multiply
    2,325.42x = 3,209.04 × 1,330.74
  4. Step 4: Simplify right side
    2,325.42x = 4,270,397.89
  5. Step 5: Solve for x
    x = 4,270,397.89/2,325.42
  6. Step 6: Final answer
    x = 1,836.40

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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.