Home / 2,206.34-3,325.01-1,987.24

Finding the Fourth Proportional to 2,206.34, 3,325.01 and 1,987.24

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Solution

The fourth proportional to 2,206.34, 3,325.01 and 1,987.24 is: 2,994.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,206.34 : 3,325.01 = 1,987.24 : x
  2. Step 2: Convert to fraction form
    2,206.34/3,325.01 = 1,987.24/x
  3. Step 3: Cross multiply
    2,206.34x = 3,325.01 × 1,987.24
  4. Step 4: Simplify right side
    2,206.34x = 6,607,601.18
  5. Step 5: Solve for x
    x = 6,607,601.18/2,206.34
  6. Step 6: Final answer
    x = 2,994.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.