Home / 1,758.60-2,618.75-1,739.19

Finding the Fourth Proportional to 1,758.60, 2,618.75 and 1,739.19

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Solution

The fourth proportional to 1,758.60, 2,618.75 and 1,739.19 is: 2,589.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,758.60 : 2,618.75 = 1,739.19 : x
  2. Step 2: Convert to fraction form
    1,758.60/2,618.75 = 1,739.19/x
  3. Step 3: Cross multiply
    1,758.60x = 2,618.75 × 1,739.19
  4. Step 4: Simplify right side
    1,758.60x = 4,554,490.72
  5. Step 5: Solve for x
    x = 4,554,490.72/1,758.60
  6. Step 6: Final answer
    x = 2,589.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.