Home / 1,754.13-2,624.70-1,406.40

Finding the Fourth Proportional to 1,754.13, 2,624.70 and 1,406.40

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Solution

The fourth proportional to 1,754.13, 2,624.70 and 1,406.40 is: 2,104.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,754.13 : 2,624.70 = 1,406.40 : x
  2. Step 2: Convert to fraction form
    1,754.13/2,624.70 = 1,406.40/x
  3. Step 3: Cross multiply
    1,754.13x = 2,624.70 × 1,406.40
  4. Step 4: Simplify right side
    1,754.13x = 3,691,378.08
  5. Step 5: Solve for x
    x = 3,691,378.08/1,754.13
  6. Step 6: Final answer
    x = 2,104.39

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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.