Home / 4,171.40-5,756.18-2,402.76

Finding the Fourth Proportional to 4,171.40, 5,756.18 and 2,402.76

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Solution

The fourth proportional to 4,171.40, 5,756.18 and 2,402.76 is: 3,315.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,171.40 : 5,756.18 = 2,402.76 : x
  2. Step 2: Convert to fraction form
    4,171.40/5,756.18 = 2,402.76/x
  3. Step 3: Cross multiply
    4,171.40x = 5,756.18 × 2,402.76
  4. Step 4: Simplify right side
    4,171.40x = 13,830,719.06
  5. Step 5: Solve for x
    x = 13,830,719.06/4,171.40
  6. Step 6: Final answer
    x = 3,315.61

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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.