Home / 2,775.02-3,823.03-1,934.21

Finding the Fourth Proportional to 2,775.02, 3,823.03 and 1,934.21

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Solution

The fourth proportional to 2,775.02, 3,823.03 and 1,934.21 is: 2,664.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,775.02 : 3,823.03 = 1,934.21 : x
  2. Step 2: Convert to fraction form
    2,775.02/3,823.03 = 1,934.21/x
  3. Step 3: Cross multiply
    2,775.02x = 3,823.03 × 1,934.21
  4. Step 4: Simplify right side
    2,775.02x = 7,394,547.58
  5. Step 5: Solve for x
    x = 7,394,547.58/2,775.02
  6. Step 6: Final answer
    x = 2,664.68

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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.