Home / 3,701.13-5,106.87-2,188.93

Finding the Fourth Proportional to 3,701.13, 5,106.87 and 2,188.93

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Solution

The fourth proportional to 3,701.13, 5,106.87 and 2,188.93 is: 3,020.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,701.13 : 5,106.87 = 2,188.93 : x
  2. Step 2: Convert to fraction form
    3,701.13/5,106.87 = 2,188.93/x
  3. Step 3: Cross multiply
    3,701.13x = 5,106.87 × 2,188.93
  4. Step 4: Simplify right side
    3,701.13x = 11,178,580.95
  5. Step 5: Solve for x
    x = 11,178,580.95/3,701.13
  6. Step 6: Final answer
    x = 3,020.32

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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.