Home / 2,023.98-2,793.14-1,139.77

Finding the Fourth Proportional to 2,023.98, 2,793.14 and 1,139.77

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Solution

The fourth proportional to 2,023.98, 2,793.14 and 1,139.77 is: 1,572.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,023.98 : 2,793.14 = 1,139.77 : x
  2. Step 2: Convert to fraction form
    2,023.98/2,793.14 = 1,139.77/x
  3. Step 3: Cross multiply
    2,023.98x = 2,793.14 × 1,139.77
  4. Step 4: Simplify right side
    2,023.98x = 3,183,537.18
  5. Step 5: Solve for x
    x = 3,183,537.18/2,023.98
  6. Step 6: Final answer
    x = 1,572.91

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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.