Home / 3,727.16-5,590.80-1,880.60

Finding the Fourth Proportional to 3,727.16, 5,590.80 and 1,880.60

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Solution

The fourth proportional to 3,727.16, 5,590.80 and 1,880.60 is: 2,820.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,727.16 : 5,590.80 = 1,880.60 : x
  2. Step 2: Convert to fraction form
    3,727.16/5,590.80 = 1,880.60/x
  3. Step 3: Cross multiply
    3,727.16x = 5,590.80 × 1,880.60
  4. Step 4: Simplify right side
    3,727.16x = 10,514,058.48
  5. Step 5: Solve for x
    x = 10,514,058.48/3,727.16
  6. Step 6: Final answer
    x = 2,820.93

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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.