Home / 2,172.24-3,258.27-1,477.17

Finding the Fourth Proportional to 2,172.24, 3,258.27 and 1,477.17

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Solution

The fourth proportional to 2,172.24, 3,258.27 and 1,477.17 is: 2,215.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,172.24 : 3,258.27 = 1,477.17 : x
  2. Step 2: Convert to fraction form
    2,172.24/3,258.27 = 1,477.17/x
  3. Step 3: Cross multiply
    2,172.24x = 3,258.27 × 1,477.17
  4. Step 4: Simplify right side
    2,172.24x = 4,813,018.70
  5. Step 5: Solve for x
    x = 4,813,018.70/2,172.24
  6. Step 6: Final answer
    x = 2,215.69

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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.