Home / 2,560.66-3,533.78-1,565.92

Finding the Fourth Proportional to 2,560.66, 3,533.78 and 1,565.92

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Solution

The fourth proportional to 2,560.66, 3,533.78 and 1,565.92 is: 2,161.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,560.66 : 3,533.78 = 1,565.92 : x
  2. Step 2: Convert to fraction form
    2,560.66/3,533.78 = 1,565.92/x
  3. Step 3: Cross multiply
    2,560.66x = 3,533.78 × 1,565.92
  4. Step 4: Simplify right side
    2,560.66x = 5,533,591.28
  5. Step 5: Solve for x
    x = 5,533,591.28/2,560.66
  6. Step 6: Final answer
    x = 2,161.01

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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.