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Finding the Fourth Proportional to 2,119.84, 2,926.02 and 1,373.84

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Solution

The fourth proportional to 2,119.84, 2,926.02 and 1,373.84 is: 1,896.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,119.84 : 2,926.02 = 1,373.84 : x
  2. Step 2: Convert to fraction form
    2,119.84/2,926.02 = 1,373.84/x
  3. Step 3: Cross multiply
    2,119.84x = 2,926.02 × 1,373.84
  4. Step 4: Simplify right side
    2,119.84x = 4,019,883.32
  5. Step 5: Solve for x
    x = 4,019,883.32/2,119.84
  6. Step 6: Final answer
    x = 1,896.31

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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.