Home / 3,432.04-5,148.77-1,210.78

Finding the Fourth Proportional to 3,432.04, 5,148.77 and 1,210.78

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Solution

The fourth proportional to 3,432.04, 5,148.77 and 1,210.78 is: 1,816.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,432.04 : 5,148.77 = 1,210.78 : x
  2. Step 2: Convert to fraction form
    3,432.04/5,148.77 = 1,210.78/x
  3. Step 3: Cross multiply
    3,432.04x = 5,148.77 × 1,210.78
  4. Step 4: Simplify right side
    3,432.04x = 6,234,028.12
  5. Step 5: Solve for x
    x = 6,234,028.12/3,432.04
  6. Step 6: Final answer
    x = 1,816.42

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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.