Home / 2,581.92-3,560.40-2,319.84

Finding the Fourth Proportional to 2,581.92, 3,560.40 and 2,319.84

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Solution

The fourth proportional to 2,581.92, 3,560.40 and 2,319.84 is: 3,199.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,581.92 : 3,560.40 = 2,319.84 : x
  2. Step 2: Convert to fraction form
    2,581.92/3,560.40 = 2,319.84/x
  3. Step 3: Cross multiply
    2,581.92x = 3,560.40 × 2,319.84
  4. Step 4: Simplify right side
    2,581.92x = 8,259,558.34
  5. Step 5: Solve for x
    x = 8,259,558.34/2,581.92
  6. Step 6: Final answer
    x = 3,199.00

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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.