Home / 3,089.40-4,262.13-1,894.02

Finding the Fourth Proportional to 3,089.40, 4,262.13 and 1,894.02

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Solution

The fourth proportional to 3,089.40, 4,262.13 and 1,894.02 is: 2,612.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,089.40 : 4,262.13 = 1,894.02 : x
  2. Step 2: Convert to fraction form
    3,089.40/4,262.13 = 1,894.02/x
  3. Step 3: Cross multiply
    3,089.40x = 4,262.13 × 1,894.02
  4. Step 4: Simplify right side
    3,089.40x = 8,072,559.46
  5. Step 5: Solve for x
    x = 8,072,559.46/3,089.40
  6. Step 6: Final answer
    x = 2,612.99

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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.