Home / 3,023.80-4,535.70-1,930.30

Finding the Fourth Proportional to 3,023.80, 4,535.70 and 1,930.30

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Solution

The fourth proportional to 3,023.80, 4,535.70 and 1,930.30 is: 2,895.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,023.80 : 4,535.70 = 1,930.30 : x
  2. Step 2: Convert to fraction form
    3,023.80/4,535.70 = 1,930.30/x
  3. Step 3: Cross multiply
    3,023.80x = 4,535.70 × 1,930.30
  4. Step 4: Simplify right side
    3,023.80x = 8,755,261.71
  5. Step 5: Solve for x
    x = 8,755,261.71/3,023.80
  6. Step 6: Final answer
    x = 2,895.45

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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.