Home / 2,316.20-3,194.71-1,432.42

Finding the Fourth Proportional to 2,316.20, 3,194.71 and 1,432.42

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Solution

The fourth proportional to 2,316.20, 3,194.71 and 1,432.42 is: 1,975.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,316.20 : 3,194.71 = 1,432.42 : x
  2. Step 2: Convert to fraction form
    2,316.20/3,194.71 = 1,432.42/x
  3. Step 3: Cross multiply
    2,316.20x = 3,194.71 × 1,432.42
  4. Step 4: Simplify right side
    2,316.20x = 4,576,154.93
  5. Step 5: Solve for x
    x = 4,576,154.93/2,316.20
  6. Step 6: Final answer
    x = 1,975.72

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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.