Home / 2,031.04-2,802.82-1,146.90

Finding the Fourth Proportional to 2,031.04, 2,802.82 and 1,146.90

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Solution

The fourth proportional to 2,031.04, 2,802.82 and 1,146.90 is: 1,582.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,031.04 : 2,802.82 = 1,146.90 : x
  2. Step 2: Convert to fraction form
    2,031.04/2,802.82 = 1,146.90/x
  3. Step 3: Cross multiply
    2,031.04x = 2,802.82 × 1,146.90
  4. Step 4: Simplify right side
    2,031.04x = 3,214,554.26
  5. Step 5: Solve for x
    x = 3,214,554.26/2,031.04
  6. Step 6: Final answer
    x = 1,582.71

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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.