Home / 1,599.10-2,395.20-905.41

Finding the Fourth Proportional to 1,599.10, 2,395.20 and 905.41

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Solution

The fourth proportional to 1,599.10, 2,395.20 and 905.41 is: 1,356.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,599.10 : 2,395.20 = 905.41 : x
  2. Step 2: Convert to fraction form
    1,599.10/2,395.20 = 905.41/x
  3. Step 3: Cross multiply
    1,599.10x = 2,395.20 × 905.41
  4. Step 4: Simplify right side
    1,599.10x = 2,168,638.03
  5. Step 5: Solve for x
    x = 2,168,638.03/1,599.10
  6. Step 6: Final answer
    x = 1,356.16

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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.