Home / 3,675.60-5,070.96-2,103.12

Finding the Fourth Proportional to 3,675.60, 5,070.96 and 2,103.12

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Solution

The fourth proportional to 3,675.60, 5,070.96 and 2,103.12 is: 2,901.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,675.60 : 5,070.96 = 2,103.12 : x
  2. Step 2: Convert to fraction form
    3,675.60/5,070.96 = 2,103.12/x
  3. Step 3: Cross multiply
    3,675.60x = 5,070.96 × 2,103.12
  4. Step 4: Simplify right side
    3,675.60x = 10,664,837.40
  5. Step 5: Solve for x
    x = 10,664,837.40/3,675.60
  6. Step 6: Final answer
    x = 2,901.52

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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.