Home / 2,290.52-3,160.91-1,295.77

Finding the Fourth Proportional to 2,290.52, 3,160.91 and 1,295.77

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Solution

The fourth proportional to 2,290.52, 3,160.91 and 1,295.77 is: 1,788.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,290.52 : 3,160.91 = 1,295.77 : x
  2. Step 2: Convert to fraction form
    2,290.52/3,160.91 = 1,295.77/x
  3. Step 3: Cross multiply
    2,290.52x = 3,160.91 × 1,295.77
  4. Step 4: Simplify right side
    2,290.52x = 4,095,812.35
  5. Step 5: Solve for x
    x = 4,095,812.35/2,290.52
  6. Step 6: Final answer
    x = 1,788.16

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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.