Home / 1,520.76-2,283.56-1,470.94

Finding the Fourth Proportional to 1,520.76, 2,283.56 and 1,470.94

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Solution

The fourth proportional to 1,520.76, 2,283.56 and 1,470.94 is: 2,208.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,520.76 : 2,283.56 = 1,470.94 : x
  2. Step 2: Convert to fraction form
    1,520.76/2,283.56 = 1,470.94/x
  3. Step 3: Cross multiply
    1,520.76x = 2,283.56 × 1,470.94
  4. Step 4: Simplify right side
    1,520.76x = 3,358,979.75
  5. Step 5: Solve for x
    x = 3,358,979.75/1,520.76
  6. Step 6: Final answer
    x = 2,208.75

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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.