Home / 3,748.55-5,172.98-2,070.06

Finding the Fourth Proportional to 3,748.55, 5,172.98 and 2,070.06

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Solution

The fourth proportional to 3,748.55, 5,172.98 and 2,070.06 is: 2,856.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,748.55 : 5,172.98 = 2,070.06 : x
  2. Step 2: Convert to fraction form
    3,748.55/5,172.98 = 2,070.06/x
  3. Step 3: Cross multiply
    3,748.55x = 5,172.98 × 2,070.06
  4. Step 4: Simplify right side
    3,748.55x = 10,708,368.63
  5. Step 5: Solve for x
    x = 10,708,368.63/3,748.55
  6. Step 6: Final answer
    x = 2,856.67

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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.