Home / 1,599.20-2,206.64-900.44

Finding the Fourth Proportional to 1,599.20, 2,206.64 and 900.44

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Solution

The fourth proportional to 1,599.20, 2,206.64 and 900.44 is: 1,242.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,599.20 : 2,206.64 = 900.44 : x
  2. Step 2: Convert to fraction form
    1,599.20/2,206.64 = 900.44/x
  3. Step 3: Cross multiply
    1,599.20x = 2,206.64 × 900.44
  4. Step 4: Simplify right side
    1,599.20x = 1,986,946.92
  5. Step 5: Solve for x
    x = 1,986,946.92/1,599.20
  6. Step 6: Final answer
    x = 1,242.46

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.