Home / 3,113.02-4,661.43-3,020.68

Finding the Fourth Proportional to 3,113.02, 4,661.43 and 3,020.68

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Solution

The fourth proportional to 3,113.02, 4,661.43 and 3,020.68 is: 4,523.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,113.02 : 4,661.43 = 3,020.68 : x
  2. Step 2: Convert to fraction form
    3,113.02/4,661.43 = 3,020.68/x
  3. Step 3: Cross multiply
    3,113.02x = 4,661.43 × 3,020.68
  4. Step 4: Simplify right side
    3,113.02x = 14,080,688.37
  5. Step 5: Solve for x
    x = 14,080,688.37/3,113.02
  6. Step 6: Final answer
    x = 4,523.16

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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.