Home / 3,023.02-4,171.55-1,678.70

Finding the Fourth Proportional to 3,023.02, 4,171.55 and 1,678.70

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Solution

The fourth proportional to 3,023.02, 4,171.55 and 1,678.70 is: 2,316.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,023.02 : 4,171.55 = 1,678.70 : x
  2. Step 2: Convert to fraction form
    3,023.02/4,171.55 = 1,678.70/x
  3. Step 3: Cross multiply
    3,023.02x = 4,171.55 × 1,678.70
  4. Step 4: Simplify right side
    3,023.02x = 7,002,780.99
  5. Step 5: Solve for x
    x = 7,002,780.99/3,023.02
  6. Step 6: Final answer
    x = 2,316.49

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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.