Home / 1,723.75-2,378.99-1,025.13

Finding the Fourth Proportional to 1,723.75, 2,378.99 and 1,025.13

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Solution

The fourth proportional to 1,723.75, 2,378.99 and 1,025.13 is: 1,414.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,723.75 : 2,378.99 = 1,025.13 : x
  2. Step 2: Convert to fraction form
    1,723.75/2,378.99 = 1,025.13/x
  3. Step 3: Cross multiply
    1,723.75x = 2,378.99 × 1,025.13
  4. Step 4: Simplify right side
    1,723.75x = 2,438,774.02
  5. Step 5: Solve for x
    x = 2,438,774.02/1,723.75
  6. Step 6: Final answer
    x = 1,414.81

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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.