Home / 2,031.60-2,803.56-1,203.60

Finding the Fourth Proportional to 2,031.60, 2,803.56 and 1,203.60

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Solution

The fourth proportional to 2,031.60, 2,803.56 and 1,203.60 is: 1,660.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,031.60 : 2,803.56 = 1,203.60 : x
  2. Step 2: Convert to fraction form
    2,031.60/2,803.56 = 1,203.60/x
  3. Step 3: Cross multiply
    2,031.60x = 2,803.56 × 1,203.60
  4. Step 4: Simplify right side
    2,031.60x = 3,374,364.82
  5. Step 5: Solve for x
    x = 3,374,364.82/2,031.60
  6. Step 6: Final answer
    x = 1,660.94

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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.