Home / 1,705.08-2,559.06-1,177.68

Finding the Fourth Proportional to 1,705.08, 2,559.06 and 1,177.68

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Solution

The fourth proportional to 1,705.08, 2,559.06 and 1,177.68 is: 1,767.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,705.08 : 2,559.06 = 1,177.68 : x
  2. Step 2: Convert to fraction form
    1,705.08/2,559.06 = 1,177.68/x
  3. Step 3: Cross multiply
    1,705.08x = 2,559.06 × 1,177.68
  4. Step 4: Simplify right side
    1,705.08x = 3,013,753.78
  5. Step 5: Solve for x
    x = 3,013,753.78/1,705.08
  6. Step 6: Final answer
    x = 1,767.51

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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.