Home / 2,106.06-2,901.79-1,406.22

Finding the Fourth Proportional to 2,106.06, 2,901.79 and 1,406.22

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Solution

The fourth proportional to 2,106.06, 2,901.79 and 1,406.22 is: 1,937.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,106.06 : 2,901.79 = 1,406.22 : x
  2. Step 2: Convert to fraction form
    2,106.06/2,901.79 = 1,406.22/x
  3. Step 3: Cross multiply
    2,106.06x = 2,901.79 × 1,406.22
  4. Step 4: Simplify right side
    2,106.06x = 4,080,555.13
  5. Step 5: Solve for x
    x = 4,080,555.13/2,106.06
  6. Step 6: Final answer
    x = 1,937.53

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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.