Home / 1,470.18-2,027.07-1,270.65

Finding the Fourth Proportional to 1,470.18, 2,027.07 and 1,270.65

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Solution

The fourth proportional to 1,470.18, 2,027.07 and 1,270.65 is: 1,751.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,470.18 : 2,027.07 = 1,270.65 : x
  2. Step 2: Convert to fraction form
    1,470.18/2,027.07 = 1,270.65/x
  3. Step 3: Cross multiply
    1,470.18x = 2,027.07 × 1,270.65
  4. Step 4: Simplify right side
    1,470.18x = 2,575,686.36
  5. Step 5: Solve for x
    x = 2,575,686.36/1,470.18
  6. Step 6: Final answer
    x = 1,751.96

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.