Home / 3,624.32-5,432.32-1,977.20

Finding the Fourth Proportional to 3,624.32, 5,432.32 and 1,977.20

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Solution

The fourth proportional to 3,624.32, 5,432.32 and 1,977.20 is: 2,963.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,624.32 : 5,432.32 = 1,977.20 : x
  2. Step 2: Convert to fraction form
    3,624.32/5,432.32 = 1,977.20/x
  3. Step 3: Cross multiply
    3,624.32x = 5,432.32 × 1,977.20
  4. Step 4: Simplify right side
    3,624.32x = 10,740,783.10
  5. Step 5: Solve for x
    x = 10,740,783.10/3,624.32
  6. Step 6: Final answer
    x = 2,963.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.