Home / 1,924.19-2,655.28-1,085.09

Finding the Fourth Proportional to 1,924.19, 2,655.28 and 1,085.09

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Solution

The fourth proportional to 1,924.19, 2,655.28 and 1,085.09 is: 1,497.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,924.19 : 2,655.28 = 1,085.09 : x
  2. Step 2: Convert to fraction form
    1,924.19/2,655.28 = 1,085.09/x
  3. Step 3: Cross multiply
    1,924.19x = 2,655.28 × 1,085.09
  4. Step 4: Simplify right side
    1,924.19x = 2,881,217.78
  5. Step 5: Solve for x
    x = 2,881,217.78/1,924.19
  6. Step 6: Final answer
    x = 1,497.37

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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.