Home / 1,466.31-2,199.12-426.07

Finding the Fourth Proportional to 1,466.31, 2,199.12 and 426.07

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Solution

The fourth proportional to 1,466.31, 2,199.12 and 426.07 is: 639.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,466.31 : 2,199.12 = 426.07 : x
  2. Step 2: Convert to fraction form
    1,466.31/2,199.12 = 426.07/x
  3. Step 3: Cross multiply
    1,466.31x = 2,199.12 × 426.07
  4. Step 4: Simplify right side
    1,466.31x = 936,979.06
  5. Step 5: Solve for x
    x = 936,979.06/1,466.31
  6. Step 6: Final answer
    x = 639.00

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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.