Home / 1,699.34-2,542.19-1,470.69

Finding the Fourth Proportional to 1,699.34, 2,542.19 and 1,470.69

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Solution

The fourth proportional to 1,699.34, 2,542.19 and 1,470.69 is: 2,200.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,699.34 : 2,542.19 = 1,470.69 : x
  2. Step 2: Convert to fraction form
    1,699.34/2,542.19 = 1,470.69/x
  3. Step 3: Cross multiply
    1,699.34x = 2,542.19 × 1,470.69
  4. Step 4: Simplify right side
    1,699.34x = 3,738,766.06
  5. Step 5: Solve for x
    x = 3,738,766.06/1,699.34
  6. Step 6: Final answer
    x = 2,200.13

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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.