Home / 2,478.02-3,717.04-629.13

Finding the Fourth Proportional to 2,478.02, 3,717.04 and 629.13

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Solution

The fourth proportional to 2,478.02, 3,717.04 and 629.13 is: 943.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,478.02 : 3,717.04 = 629.13 : x
  2. Step 2: Convert to fraction form
    2,478.02/3,717.04 = 629.13/x
  3. Step 3: Cross multiply
    2,478.02x = 3,717.04 × 629.13
  4. Step 4: Simplify right side
    2,478.02x = 2,338,493.66
  5. Step 5: Solve for x
    x = 2,338,493.66/2,478.02
  6. Step 6: Final answer
    x = 943.70

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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.