Home / 2,245.03-3,347.76-2,089.20

Finding the Fourth Proportional to 2,245.03, 3,347.76 and 2,089.20

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Solution

The fourth proportional to 2,245.03, 3,347.76 and 2,089.20 is: 3,115.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,245.03 : 3,347.76 = 2,089.20 : x
  2. Step 2: Convert to fraction form
    2,245.03/3,347.76 = 2,089.20/x
  3. Step 3: Cross multiply
    2,245.03x = 3,347.76 × 2,089.20
  4. Step 4: Simplify right side
    2,245.03x = 6,994,160.58
  5. Step 5: Solve for x
    x = 6,994,160.58/2,245.03
  6. Step 6: Final answer
    x = 3,115.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.