Home / 3,748.71-5,173.18-2,070.19

Finding the Fourth Proportional to 3,748.71, 5,173.18 and 2,070.19

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Solution

The fourth proportional to 3,748.71, 5,173.18 and 2,070.19 is: 2,856.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,748.71 : 5,173.18 = 2,070.19 : x
  2. Step 2: Convert to fraction form
    3,748.71/5,173.18 = 2,070.19/x
  3. Step 3: Cross multiply
    3,748.71x = 5,173.18 × 2,070.19
  4. Step 4: Simplify right side
    3,748.71x = 10,709,429.29
  5. Step 5: Solve for x
    x = 10,709,429.29/3,748.71
  6. Step 6: Final answer
    x = 2,856.83

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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.