Home / 3,019.13-4,166.40-1,761.05

Finding the Fourth Proportional to 3,019.13, 4,166.40 and 1,761.05

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Solution

The fourth proportional to 3,019.13, 4,166.40 and 1,761.05 is: 2,430.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,019.13 : 4,166.40 = 1,761.05 : x
  2. Step 2: Convert to fraction form
    3,019.13/4,166.40 = 1,761.05/x
  3. Step 3: Cross multiply
    3,019.13x = 4,166.40 × 1,761.05
  4. Step 4: Simplify right side
    3,019.13x = 7,337,217.89
  5. Step 5: Solve for x
    x = 7,337,217.89/3,019.13
  6. Step 6: Final answer
    x = 2,430.25

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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.