Home / 2,563.12-3,535.08-1,678.75

Finding the Fourth Proportional to 2,563.12, 3,535.08 and 1,678.75

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Solution

The fourth proportional to 2,563.12, 3,535.08 and 1,678.75 is: 2,315.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,563.12 : 3,535.08 = 1,678.75 : x
  2. Step 2: Convert to fraction form
    2,563.12/3,535.08 = 1,678.75/x
  3. Step 3: Cross multiply
    2,563.12x = 3,535.08 × 1,678.75
  4. Step 4: Simplify right side
    2,563.12x = 5,934,517.44
  5. Step 5: Solve for x
    x = 5,934,517.44/2,563.12
  6. Step 6: Final answer
    x = 2,315.35

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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.