Home / 1,823.39-2,516.33-1,115.22

Finding the Fourth Proportional to 1,823.39, 2,516.33 and 1,115.22

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Solution

The fourth proportional to 1,823.39, 2,516.33 and 1,115.22 is: 1,539.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,823.39 : 2,516.33 = 1,115.22 : x
  2. Step 2: Convert to fraction form
    1,823.39/2,516.33 = 1,115.22/x
  3. Step 3: Cross multiply
    1,823.39x = 2,516.33 × 1,115.22
  4. Step 4: Simplify right side
    1,823.39x = 2,806,271.68
  5. Step 5: Solve for x
    x = 2,806,271.68/1,823.39
  6. Step 6: Final answer
    x = 1,539.04

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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.