Home / 2,432.58-3,354.20-2,115.06

Finding the Fourth Proportional to 2,432.58, 3,354.20 and 2,115.06

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Solution

The fourth proportional to 2,432.58, 3,354.20 and 2,115.06 is: 2,916.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,432.58 : 3,354.20 = 2,115.06 : x
  2. Step 2: Convert to fraction form
    2,432.58/3,354.20 = 2,115.06/x
  3. Step 3: Cross multiply
    2,432.58x = 3,354.20 × 2,115.06
  4. Step 4: Simplify right side
    2,432.58x = 7,094,334.25
  5. Step 5: Solve for x
    x = 7,094,334.25/2,432.58
  6. Step 6: Final answer
    x = 2,916.38

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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.