Home / 2,390.84-3,582-2,040.61

Finding the Fourth Proportional to 2,390.84, 3,582 and 2,040.61

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Solution

The fourth proportional to 2,390.84, 3,582 and 2,040.61 is: 3,057.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,390.84 : 3,582 = 2,040.61 : x
  2. Step 2: Convert to fraction form
    2,390.84/3,582 = 2,040.61/x
  3. Step 3: Cross multiply
    2,390.84x = 3,582 × 2,040.61
  4. Step 4: Simplify right side
    2,390.84x = 7,309,465.02
  5. Step 5: Solve for x
    x = 7,309,465.02/2,390.84
  6. Step 6: Final answer
    x = 3,057.28

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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.