Home / 1,555.91-2,146.46-1,024.65

Finding the Fourth Proportional to 1,555.91, 2,146.46 and 1,024.65

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Solution

The fourth proportional to 1,555.91, 2,146.46 and 1,024.65 is: 1,413.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,555.91 : 2,146.46 = 1,024.65 : x
  2. Step 2: Convert to fraction form
    1,555.91/2,146.46 = 1,024.65/x
  3. Step 3: Cross multiply
    1,555.91x = 2,146.46 × 1,024.65
  4. Step 4: Simplify right side
    1,555.91x = 2,199,370.48
  5. Step 5: Solve for x
    x = 2,199,370.48/1,555.91
  6. Step 6: Final answer
    x = 1,413.56

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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.