Home / 3,020.13-4,167.81-1,693.74

Finding the Fourth Proportional to 3,020.13, 4,167.81 and 1,693.74

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Solution

The fourth proportional to 3,020.13, 4,167.81 and 1,693.74 is: 2,337.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,020.13 : 4,167.81 = 1,693.74 : x
  2. Step 2: Convert to fraction form
    3,020.13/4,167.81 = 1,693.74/x
  3. Step 3: Cross multiply
    3,020.13x = 4,167.81 × 1,693.74
  4. Step 4: Simplify right side
    3,020.13x = 7,059,186.51
  5. Step 5: Solve for x
    x = 7,059,186.51/3,020.13
  6. Step 6: Final answer
    x = 2,337.38

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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.