Home / 2,774.19-3,829.02-1,830.15

Finding the Fourth Proportional to 2,774.19, 3,829.02 and 1,830.15

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Solution

The fourth proportional to 2,774.19, 3,829.02 and 1,830.15 is: 2,526.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,774.19 : 3,829.02 = 1,830.15 : x
  2. Step 2: Convert to fraction form
    2,774.19/3,829.02 = 1,830.15/x
  3. Step 3: Cross multiply
    2,774.19x = 3,829.02 × 1,830.15
  4. Step 4: Simplify right side
    2,774.19x = 7,007,680.95
  5. Step 5: Solve for x
    x = 7,007,680.95/2,774.19
  6. Step 6: Final answer
    x = 2,526.03

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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.