Home / 3,028.80-4,543.72-948.76

Finding the Fourth Proportional to 3,028.80, 4,543.72 and 948.76

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Solution

The fourth proportional to 3,028.80, 4,543.72 and 948.76 is: 1,423.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,028.80 : 4,543.72 = 948.76 : x
  2. Step 2: Convert to fraction form
    3,028.80/4,543.72 = 948.76/x
  3. Step 3: Cross multiply
    3,028.80x = 4,543.72 × 948.76
  4. Step 4: Simplify right side
    3,028.80x = 4,310,899.79
  5. Step 5: Solve for x
    x = 4,310,899.79/3,028.80
  6. Step 6: Final answer
    x = 1,423.30

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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.