Home / 2,106.02-3,154.20-1,011.16

Finding the Fourth Proportional to 2,106.02, 3,154.20 and 1,011.16

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Solution

The fourth proportional to 2,106.02, 3,154.20 and 1,011.16 is: 1,514.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,106.02 : 3,154.20 = 1,011.16 : x
  2. Step 2: Convert to fraction form
    2,106.02/3,154.20 = 1,011.16/x
  3. Step 3: Cross multiply
    2,106.02x = 3,154.20 × 1,011.16
  4. Step 4: Simplify right side
    2,106.02x = 3,189,400.87
  5. Step 5: Solve for x
    x = 3,189,400.87/2,106.02
  6. Step 6: Final answer
    x = 1,514.42

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.