Home / 2,166.24-3,260.28-1,621.32

Finding the Fourth Proportional to 2,166.24, 3,260.28 and 1,621.32

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Solution

The fourth proportional to 2,166.24, 3,260.28 and 1,621.32 is: 2,440.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,166.24 : 3,260.28 = 1,621.32 : x
  2. Step 2: Convert to fraction form
    2,166.24/3,260.28 = 1,621.32/x
  3. Step 3: Cross multiply
    2,166.24x = 3,260.28 × 1,621.32
  4. Step 4: Simplify right side
    2,166.24x = 5,285,957.17
  5. Step 5: Solve for x
    x = 5,285,957.17/2,166.24
  6. Step 6: Final answer
    x = 2,440.15

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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.