Home / 2,981.36-4,114.56-1,802.41

Finding the Fourth Proportional to 2,981.36, 4,114.56 and 1,802.41

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Solution

The fourth proportional to 2,981.36, 4,114.56 and 1,802.41 is: 2,487.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,981.36 : 4,114.56 = 1,802.41 : x
  2. Step 2: Convert to fraction form
    2,981.36/4,114.56 = 1,802.41/x
  3. Step 3: Cross multiply
    2,981.36x = 4,114.56 × 1,802.41
  4. Step 4: Simplify right side
    2,981.36x = 7,416,124.09
  5. Step 5: Solve for x
    x = 7,416,124.09/2,981.36
  6. Step 6: Final answer
    x = 2,487.50

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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.