Home / 2,844.86-4,267.40-1,089.63

Finding the Fourth Proportional to 2,844.86, 4,267.40 and 1,089.63

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Solution

The fourth proportional to 2,844.86, 4,267.40 and 1,089.63 is: 1,634.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,844.86 : 4,267.40 = 1,089.63 : x
  2. Step 2: Convert to fraction form
    2,844.86/4,267.40 = 1,089.63/x
  3. Step 3: Cross multiply
    2,844.86x = 4,267.40 × 1,089.63
  4. Step 4: Simplify right side
    2,844.86x = 4,649,881.61
  5. Step 5: Solve for x
    x = 4,649,881.61/2,844.86
  6. Step 6: Final answer
    x = 1,634.49

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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.