Home / 1,719.75-2,580.77-1,488.30

Finding the Fourth Proportional to 1,719.75, 2,580.77 and 1,488.30

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Solution

The fourth proportional to 1,719.75, 2,580.77 and 1,488.30 is: 2,233.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,719.75 : 2,580.77 = 1,488.30 : x
  2. Step 2: Convert to fraction form
    1,719.75/2,580.77 = 1,488.30/x
  3. Step 3: Cross multiply
    1,719.75x = 2,580.77 × 1,488.30
  4. Step 4: Simplify right side
    1,719.75x = 3,840,959.99
  5. Step 5: Solve for x
    x = 3,840,959.99/1,719.75
  6. Step 6: Final answer
    x = 2,233.44

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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.