Home / 1,399.02-2,095.65-1,137.84

Finding the Fourth Proportional to 1,399.02, 2,095.65 and 1,137.84

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Solution

The fourth proportional to 1,399.02, 2,095.65 and 1,137.84 is: 1,704.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,399.02 : 2,095.65 = 1,137.84 : x
  2. Step 2: Convert to fraction form
    1,399.02/2,095.65 = 1,137.84/x
  3. Step 3: Cross multiply
    1,399.02x = 2,095.65 × 1,137.84
  4. Step 4: Simplify right side
    1,399.02x = 2,384,514.40
  5. Step 5: Solve for x
    x = 2,384,514.40/1,399.02
  6. Step 6: Final answer
    x = 1,704.42

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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.