Home / 3,020.13-4,167.79-1,762.05

Finding the Fourth Proportional to 3,020.13, 4,167.79 and 1,762.05

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Solution

The fourth proportional to 3,020.13, 4,167.79 and 1,762.05 is: 2,431.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,020.13 : 4,167.79 = 1,762.05 : x
  2. Step 2: Convert to fraction form
    3,020.13/4,167.79 = 1,762.05/x
  3. Step 3: Cross multiply
    3,020.13x = 4,167.79 × 1,762.05
  4. Step 4: Simplify right side
    3,020.13x = 7,343,845.56
  5. Step 5: Solve for x
    x = 7,343,845.56/3,020.13
  6. Step 6: Final answer
    x = 2,431.64

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1.5x scale

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.