Home / 2,869.91-3,960.51-1,593.75

Finding the Fourth Proportional to 2,869.91, 3,960.51 and 1,593.75

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Solution

The fourth proportional to 2,869.91, 3,960.51 and 1,593.75 is: 2,199.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,869.91 : 3,960.51 = 1,593.75 : x
  2. Step 2: Convert to fraction form
    2,869.91/3,960.51 = 1,593.75/x
  3. Step 3: Cross multiply
    2,869.91x = 3,960.51 × 1,593.75
  4. Step 4: Simplify right side
    2,869.91x = 6,312,062.81
  5. Step 5: Solve for x
    x = 6,312,062.81/2,869.91
  6. Step 6: Final answer
    x = 2,199.40

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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.