Home / 1,830.39-2,525.78-1,084.22

Finding the Fourth Proportional to 1,830.39, 2,525.78 and 1,084.22

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Solution

The fourth proportional to 1,830.39, 2,525.78 and 1,084.22 is: 1,496.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,830.39 : 2,525.78 = 1,084.22 : x
  2. Step 2: Convert to fraction form
    1,830.39/2,525.78 = 1,084.22/x
  3. Step 3: Cross multiply
    1,830.39x = 2,525.78 × 1,084.22
  4. Step 4: Simplify right side
    1,830.39x = 2,738,483.14
  5. Step 5: Solve for x
    x = 2,738,483.14/1,830.39
  6. Step 6: Final answer
    x = 1,496.12

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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.