Home / 2,560.83-3,533.32-1,565.75

Finding the Fourth Proportional to 2,560.83, 3,533.32 and 1,565.75

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Solution

The fourth proportional to 2,560.83, 3,533.32 and 1,565.75 is: 2,160.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,560.83 : 3,533.32 = 1,565.75 : x
  2. Step 2: Convert to fraction form
    2,560.83/3,533.32 = 1,565.75/x
  3. Step 3: Cross multiply
    2,560.83x = 3,533.32 × 1,565.75
  4. Step 4: Simplify right side
    2,560.83x = 5,532,295.79
  5. Step 5: Solve for x
    x = 5,532,295.79/2,560.83
  6. Step 6: Final answer
    x = 2,160.35

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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.