Home / 2,161.25-2,981.04-1,746.06

Finding the Fourth Proportional to 2,161.25, 2,981.04 and 1,746.06

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Solution

The fourth proportional to 2,161.25, 2,981.04 and 1,746.06 is: 2,408.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,161.25 : 2,981.04 = 1,746.06 : x
  2. Step 2: Convert to fraction form
    2,161.25/2,981.04 = 1,746.06/x
  3. Step 3: Cross multiply
    2,161.25x = 2,981.04 × 1,746.06
  4. Step 4: Simplify right side
    2,161.25x = 5,205,056.98
  5. Step 5: Solve for x
    x = 5,205,056.98/2,161.25
  6. Step 6: Final answer
    x = 2,408.36

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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.