Home / 2,165.11-3,248.30-1,070.26

Finding the Fourth Proportional to 2,165.11, 3,248.30 and 1,070.26

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Solution

The fourth proportional to 2,165.11, 3,248.30 and 1,070.26 is: 1,605.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,165.11 : 3,248.30 = 1,070.26 : x
  2. Step 2: Convert to fraction form
    2,165.11/3,248.30 = 1,070.26/x
  3. Step 3: Cross multiply
    2,165.11x = 3,248.30 × 1,070.26
  4. Step 4: Simplify right side
    2,165.11x = 3,476,525.56
  5. Step 5: Solve for x
    x = 3,476,525.56/2,165.11
  6. Step 6: Final answer
    x = 1,605.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.