Home / 3,748.81-5,173.35-2,070.22

Finding the Fourth Proportional to 3,748.81, 5,173.35 and 2,070.22

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Solution

The fourth proportional to 3,748.81, 5,173.35 and 2,070.22 is: 2,856.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,748.81 : 5,173.35 = 2,070.22 : x
  2. Step 2: Convert to fraction form
    3,748.81/5,173.35 = 2,070.22/x
  3. Step 3: Cross multiply
    3,748.81x = 5,173.35 × 2,070.22
  4. Step 4: Simplify right side
    3,748.81x = 10,709,946.77
  5. Step 5: Solve for x
    x = 10,709,946.77/3,748.81
  6. Step 6: Final answer
    x = 2,856.90

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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.