Home / 3,582.61-5,374.26-1,391.51

Finding the Fourth Proportional to 3,582.61, 5,374.26 and 1,391.51

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Solution

The fourth proportional to 3,582.61, 5,374.26 and 1,391.51 is: 2,087.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,582.61 : 5,374.26 = 1,391.51 : x
  2. Step 2: Convert to fraction form
    3,582.61/5,374.26 = 1,391.51/x
  3. Step 3: Cross multiply
    3,582.61x = 5,374.26 × 1,391.51
  4. Step 4: Simplify right side
    3,582.61x = 7,478,330.94
  5. Step 5: Solve for x
    x = 7,478,330.94/3,582.61
  6. Step 6: Final answer
    x = 2,087.40

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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.