Home / 1,621.17-2,432.07-799.23

Finding the Fourth Proportional to 1,621.17, 2,432.07 and 799.23

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Solution

The fourth proportional to 1,621.17, 2,432.07 and 799.23 is: 1,199.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,621.17 : 2,432.07 = 799.23 : x
  2. Step 2: Convert to fraction form
    1,621.17/2,432.07 = 799.23/x
  3. Step 3: Cross multiply
    1,621.17x = 2,432.07 × 799.23
  4. Step 4: Simplify right side
    1,621.17x = 1,943,783.31
  5. Step 5: Solve for x
    x = 1,943,783.31/1,621.17
  6. Step 6: Final answer
    x = 1,199.00

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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.