Home / 2,584.16-3,561.76-2,211.20

Finding the Fourth Proportional to 2,584.16, 3,561.76 and 2,211.20

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Solution

The fourth proportional to 2,584.16, 3,561.76 and 2,211.20 is: 3,047.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,584.16 : 3,561.76 = 2,211.20 : x
  2. Step 2: Convert to fraction form
    2,584.16/3,561.76 = 2,211.20/x
  3. Step 3: Cross multiply
    2,584.16x = 3,561.76 × 2,211.20
  4. Step 4: Simplify right side
    2,584.16x = 7,875,763.71
  5. Step 5: Solve for x
    x = 7,875,763.71/2,584.16
  6. Step 6: Final answer
    x = 3,047.71

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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.