Home / 2,564.28-3,534.53-2,003.76

Finding the Fourth Proportional to 2,564.28, 3,534.53 and 2,003.76

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Solution

The fourth proportional to 2,564.28, 3,534.53 and 2,003.76 is: 2,761.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,564.28 : 3,534.53 = 2,003.76 : x
  2. Step 2: Convert to fraction form
    2,564.28/3,534.53 = 2,003.76/x
  3. Step 3: Cross multiply
    2,564.28x = 3,534.53 × 2,003.76
  4. Step 4: Simplify right side
    2,564.28x = 7,082,339.81
  5. Step 5: Solve for x
    x = 7,082,339.81/2,564.28
  6. Step 6: Final answer
    x = 2,761.92

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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.