Home / 2,321.19-3,465.25-2,223.99

Finding the Fourth Proportional to 2,321.19, 3,465.25 and 2,223.99

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Solution

The fourth proportional to 2,321.19, 3,465.25 and 2,223.99 is: 3,320.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,321.19 : 3,465.25 = 2,223.99 : x
  2. Step 2: Convert to fraction form
    2,321.19/3,465.25 = 2,223.99/x
  3. Step 3: Cross multiply
    2,321.19x = 3,465.25 × 2,223.99
  4. Step 4: Simplify right side
    2,321.19x = 7,706,675.79
  5. Step 5: Solve for x
    x = 7,706,675.79/2,321.19
  6. Step 6: Final answer
    x = 3,320.14

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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.