Home / 3,748.77-5,173.13-2,070.09

Finding the Fourth Proportional to 3,748.77, 5,173.13 and 2,070.09

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Solution

The fourth proportional to 3,748.77, 5,173.13 and 2,070.09 is: 2,856.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,748.77 : 5,173.13 = 2,070.09 : x
  2. Step 2: Convert to fraction form
    3,748.77/5,173.13 = 2,070.09/x
  3. Step 3: Cross multiply
    3,748.77x = 5,173.13 × 2,070.09
  4. Step 4: Simplify right side
    3,748.77x = 10,708,862.95
  5. Step 5: Solve for x
    x = 10,708,862.95/3,748.77
  6. Step 6: Final answer
    x = 2,856.63

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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.