Home / 1,723.84-2,378.95-1,015.73

Finding the Fourth Proportional to 1,723.84, 2,378.95 and 1,015.73

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Solution

The fourth proportional to 1,723.84, 2,378.95 and 1,015.73 is: 1,401.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,723.84 : 2,378.95 = 1,015.73 : x
  2. Step 2: Convert to fraction form
    1,723.84/2,378.95 = 1,015.73/x
  3. Step 3: Cross multiply
    1,723.84x = 2,378.95 × 1,015.73
  4. Step 4: Simplify right side
    1,723.84x = 2,416,370.88
  5. Step 5: Solve for x
    x = 2,416,370.88/1,723.84
  6. Step 6: Final answer
    x = 1,401.74

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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.