Home / 3,705.98-5,561.70-1,758.18

Finding the Fourth Proportional to 3,705.98, 5,561.70 and 1,758.18

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Solution

The fourth proportional to 3,705.98, 5,561.70 and 1,758.18 is: 2,638.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,705.98 : 5,561.70 = 1,758.18 : x
  2. Step 2: Convert to fraction form
    3,705.98/5,561.70 = 1,758.18/x
  3. Step 3: Cross multiply
    3,705.98x = 5,561.70 × 1,758.18
  4. Step 4: Simplify right side
    3,705.98x = 9,778,469.71
  5. Step 5: Solve for x
    x = 9,778,469.71/3,705.98
  6. Step 6: Final answer
    x = 2,638.57

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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.