Home / 2,205.98-3,047.35-2,089.34

Finding the Fourth Proportional to 2,205.98, 3,047.35 and 2,089.34

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Solution

The fourth proportional to 2,205.98, 3,047.35 and 2,089.34 is: 2,886.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,205.98 : 3,047.35 = 2,089.34 : x
  2. Step 2: Convert to fraction form
    2,205.98/3,047.35 = 2,089.34/x
  3. Step 3: Cross multiply
    2,205.98x = 3,047.35 × 2,089.34
  4. Step 4: Simplify right side
    2,205.98x = 6,366,929.79
  5. Step 5: Solve for x
    x = 6,366,929.79/2,205.98
  6. Step 6: Final answer
    x = 2,886.22

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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.