Home / 2,012.12-3,017.77-551.16

Finding the Fourth Proportional to 2,012.12, 3,017.77 and 551.16

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Solution

The fourth proportional to 2,012.12, 3,017.77 and 551.16 is: 826.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,012.12 : 3,017.77 = 551.16 : x
  2. Step 2: Convert to fraction form
    2,012.12/3,017.77 = 551.16/x
  3. Step 3: Cross multiply
    2,012.12x = 3,017.77 × 551.16
  4. Step 4: Simplify right side
    2,012.12x = 1,663,274.11
  5. Step 5: Solve for x
    x = 1,663,274.11/2,012.12
  6. Step 6: Final answer
    x = 826.63

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1.5x scale

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.