Home / 2,823.67-3,895.81-1,830.12

Finding the Fourth Proportional to 2,823.67, 3,895.81 and 1,830.12

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Solution

The fourth proportional to 2,823.67, 3,895.81 and 1,830.12 is: 2,525.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,823.67 : 3,895.81 = 1,830.12 : x
  2. Step 2: Convert to fraction form
    2,823.67/3,895.81 = 1,830.12/x
  3. Step 3: Cross multiply
    2,823.67x = 3,895.81 × 1,830.12
  4. Step 4: Simplify right side
    2,823.67x = 7,129,799.80
  5. Step 5: Solve for x
    x = 7,129,799.80/2,823.67
  6. Step 6: Final answer
    x = 2,525.01

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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.