Home / 2,103.68-2,902.74-1,264.26

Finding the Fourth Proportional to 2,103.68, 2,902.74 and 1,264.26

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Solution

The fourth proportional to 2,103.68, 2,902.74 and 1,264.26 is: 1,744.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,103.68 : 2,902.74 = 1,264.26 : x
  2. Step 2: Convert to fraction form
    2,103.68/2,902.74 = 1,264.26/x
  3. Step 3: Cross multiply
    2,103.68x = 2,902.74 × 1,264.26
  4. Step 4: Simplify right side
    2,103.68x = 3,669,818.07
  5. Step 5: Solve for x
    x = 3,669,818.07/2,103.68
  6. Step 6: Final answer
    x = 1,744.48

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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.