Home / 3,147.02-4,720.56-1,297.41

Finding the Fourth Proportional to 3,147.02, 4,720.56 and 1,297.41

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Solution

The fourth proportional to 3,147.02, 4,720.56 and 1,297.41 is: 1,946.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,147.02 : 4,720.56 = 1,297.41 : x
  2. Step 2: Convert to fraction form
    3,147.02/4,720.56 = 1,297.41/x
  3. Step 3: Cross multiply
    3,147.02x = 4,720.56 × 1,297.41
  4. Step 4: Simplify right side
    3,147.02x = 6,124,501.75
  5. Step 5: Solve for x
    x = 6,124,501.75/3,147.02
  6. Step 6: Final answer
    x = 1,946.13

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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.