Home / 2,023.50-3,035.40-790.80

Finding the Fourth Proportional to 2,023.50, 3,035.40 and 790.80

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Solution

The fourth proportional to 2,023.50, 3,035.40 and 790.80 is: 1,186.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,023.50 : 3,035.40 = 790.80 : x
  2. Step 2: Convert to fraction form
    2,023.50/3,035.40 = 790.80/x
  3. Step 3: Cross multiply
    2,023.50x = 3,035.40 × 790.80
  4. Step 4: Simplify right side
    2,023.50x = 2,400,394.32
  5. Step 5: Solve for x
    x = 2,400,394.32/2,023.50
  6. Step 6: Final answer
    x = 1,186.26

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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.