Home / 2,024.40-2,793.52-1,140.20

Finding the Fourth Proportional to 2,024.40, 2,793.52 and 1,140.20

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Solution

The fourth proportional to 2,024.40, 2,793.52 and 1,140.20 is: 1,573.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,024.40 : 2,793.52 = 1,140.20 : x
  2. Step 2: Convert to fraction form
    2,024.40/2,793.52 = 1,140.20/x
  3. Step 3: Cross multiply
    2,024.40x = 2,793.52 × 1,140.20
  4. Step 4: Simplify right side
    2,024.40x = 3,185,171.50
  5. Step 5: Solve for x
    x = 3,185,171.50/2,024.40
  6. Step 6: Final answer
    x = 1,573.39

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Half scale
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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.