Home / 2,753.75-4,130.67-2,203.40

Finding the Fourth Proportional to 2,753.75, 4,130.67 and 2,203.40

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Solution

The fourth proportional to 2,753.75, 4,130.67 and 2,203.40 is: 3,305.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,753.75 : 4,130.67 = 2,203.40 : x
  2. Step 2: Convert to fraction form
    2,753.75/4,130.67 = 2,203.40/x
  3. Step 3: Cross multiply
    2,753.75x = 4,130.67 × 2,203.40
  4. Step 4: Simplify right side
    2,753.75x = 9,101,518.28
  5. Step 5: Solve for x
    x = 9,101,518.28/2,753.75
  6. Step 6: Final answer
    x = 3,305.14

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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.