Home / 4,145.39-5,718.70-2,465.85

Finding the Fourth Proportional to 4,145.39, 5,718.70 and 2,465.85

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Solution

The fourth proportional to 4,145.39, 5,718.70 and 2,465.85 is: 3,401.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,145.39 : 5,718.70 = 2,465.85 : x
  2. Step 2: Convert to fraction form
    4,145.39/5,718.70 = 2,465.85/x
  3. Step 3: Cross multiply
    4,145.39x = 5,718.70 × 2,465.85
  4. Step 4: Simplify right side
    4,145.39x = 14,101,456.40
  5. Step 5: Solve for x
    x = 14,101,456.40/4,145.39
  6. Step 6: Final answer
    x = 3,401.72

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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.