Home / 2,031.10-2,802.93-1,146.90

Finding the Fourth Proportional to 2,031.10, 2,802.93 and 1,146.90

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Solution

The fourth proportional to 2,031.10, 2,802.93 and 1,146.90 is: 1,582.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,031.10 : 2,802.93 = 1,146.90 : x
  2. Step 2: Convert to fraction form
    2,031.10/2,802.93 = 1,146.90/x
  3. Step 3: Cross multiply
    2,031.10x = 2,802.93 × 1,146.90
  4. Step 4: Simplify right side
    2,031.10x = 3,214,680.42
  5. Step 5: Solve for x
    x = 3,214,680.42/2,031.10
  6. Step 6: Final answer
    x = 1,582.73

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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.