Home / 1,440.22-2,160.18-466.32

Finding the Fourth Proportional to 1,440.22, 2,160.18 and 466.32

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Solution

The fourth proportional to 1,440.22, 2,160.18 and 466.32 is: 699.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,440.22 : 2,160.18 = 466.32 : x
  2. Step 2: Convert to fraction form
    1,440.22/2,160.18 = 466.32/x
  3. Step 3: Cross multiply
    1,440.22x = 2,160.18 × 466.32
  4. Step 4: Simplify right side
    1,440.22x = 1,007,335.14
  5. Step 5: Solve for x
    x = 1,007,335.14/1,440.22
  6. Step 6: Final answer
    x = 699.43

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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.