Home / 2,572.36-3,873.62-1,847.00

Finding the Fourth Proportional to 2,572.36, 3,873.62 and 1,847.00

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Solution

The fourth proportional to 2,572.36, 3,873.62 and 1,847.00 is: 2,781.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,572.36 : 3,873.62 = 1,847.00 : x
  2. Step 2: Convert to fraction form
    2,572.36/3,873.62 = 1,847.00/x
  3. Step 3: Cross multiply
    2,572.36x = 3,873.62 × 1,847.00
  4. Step 4: Simplify right side
    2,572.36x = 7,154,590.44
  5. Step 5: Solve for x
    x = 7,154,590.44/2,572.36
  6. Step 6: Final answer
    x = 2,781.34

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.