Home / 2,203.87-3,042.33-1,365.72

Finding the Fourth Proportional to 2,203.87, 3,042.33 and 1,365.72

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Solution

The fourth proportional to 2,203.87, 3,042.33 and 1,365.72 is: 1,885.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,203.87 : 3,042.33 = 1,365.72 : x
  2. Step 2: Convert to fraction form
    2,203.87/3,042.33 = 1,365.72/x
  3. Step 3: Cross multiply
    2,203.87x = 3,042.33 × 1,365.72
  4. Step 4: Simplify right side
    2,203.87x = 4,154,970.93
  5. Step 5: Solve for x
    x = 4,154,970.93/2,203.87
  6. Step 6: Final answer
    x = 1,885.31

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1.5x scale

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.