Home / 1,719.19-2,572.61-1,488.86

Finding the Fourth Proportional to 1,719.19, 2,572.61 and 1,488.86

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Solution

The fourth proportional to 1,719.19, 2,572.61 and 1,488.86 is: 2,227.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,719.19 : 2,572.61 = 1,488.86 : x
  2. Step 2: Convert to fraction form
    1,719.19/2,572.61 = 1,488.86/x
  3. Step 3: Cross multiply
    1,719.19x = 2,572.61 × 1,488.86
  4. Step 4: Simplify right side
    1,719.19x = 3,830,256.12
  5. Step 5: Solve for x
    x = 3,830,256.12/1,719.19
  6. Step 6: Final answer
    x = 2,227.95

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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.