Home / 2,219.16-3,322.74-1,487.16

Finding the Fourth Proportional to 2,219.16, 3,322.74 and 1,487.16

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Solution

The fourth proportional to 2,219.16, 3,322.74 and 1,487.16 is: 2,226.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,219.16 : 3,322.74 = 1,487.16 : x
  2. Step 2: Convert to fraction form
    2,219.16/3,322.74 = 1,487.16/x
  3. Step 3: Cross multiply
    2,219.16x = 3,322.74 × 1,487.16
  4. Step 4: Simplify right side
    2,219.16x = 4,941,446.02
  5. Step 5: Solve for x
    x = 4,941,446.02/2,219.16
  6. Step 6: Final answer
    x = 2,226.72

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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.