Home / 2,031.16-2,802.86-1,203

Finding the Fourth Proportional to 2,031.16, 2,802.86 and 1,203

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Solution

The fourth proportional to 2,031.16, 2,802.86 and 1,203 is: 1,660.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,031.16 : 2,802.86 = 1,203 : x
  2. Step 2: Convert to fraction form
    2,031.16/2,802.86 = 1,203/x
  3. Step 3: Cross multiply
    2,031.16x = 2,802.86 × 1,203
  4. Step 4: Simplify right side
    2,031.16x = 3,371,840.58
  5. Step 5: Solve for x
    x = 3,371,840.58/2,031.16
  6. Step 6: Final answer
    x = 1,660.06

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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.