Home / 3,152.20-4,350.02-1,754.96

Finding the Fourth Proportional to 3,152.20, 4,350.02 and 1,754.96

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Solution

The fourth proportional to 3,152.20, 4,350.02 and 1,754.96 is: 2,421.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,152.20 : 4,350.02 = 1,754.96 : x
  2. Step 2: Convert to fraction form
    3,152.20/4,350.02 = 1,754.96/x
  3. Step 3: Cross multiply
    3,152.20x = 4,350.02 × 1,754.96
  4. Step 4: Simplify right side
    3,152.20x = 7,634,111.10
  5. Step 5: Solve for x
    x = 7,634,111.10/3,152.20
  6. Step 6: Final answer
    x = 2,421.84

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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.