Home / 1,754.80-2,631.48-1,407.04

Finding the Fourth Proportional to 1,754.80, 2,631.48 and 1,407.04

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Solution

The fourth proportional to 1,754.80, 2,631.48 and 1,407.04 is: 2,109.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,754.80 : 2,631.48 = 1,407.04 : x
  2. Step 2: Convert to fraction form
    1,754.80/2,631.48 = 1,407.04/x
  3. Step 3: Cross multiply
    1,754.80x = 2,631.48 × 1,407.04
  4. Step 4: Simplify right side
    1,754.80x = 3,702,597.62
  5. Step 5: Solve for x
    x = 3,702,597.62/1,754.80
  6. Step 6: Final answer
    x = 2,109.98

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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.