Home / 2,387.07-3,582.23-1,089.45

Finding the Fourth Proportional to 2,387.07, 3,582.23 and 1,089.45

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Solution

The fourth proportional to 2,387.07, 3,582.23 and 1,089.45 is: 1,634.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,387.07 : 3,582.23 = 1,089.45 : x
  2. Step 2: Convert to fraction form
    2,387.07/3,582.23 = 1,089.45/x
  3. Step 3: Cross multiply
    2,387.07x = 3,582.23 × 1,089.45
  4. Step 4: Simplify right side
    2,387.07x = 3,902,655.03
  5. Step 5: Solve for x
    x = 3,902,655.03/2,387.07
  6. Step 6: Final answer
    x = 1,634.91

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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.