Home / 2,767.16-3,821.26-1,774.16

Finding the Fourth Proportional to 2,767.16, 3,821.26 and 1,774.16

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Solution

The fourth proportional to 2,767.16, 3,821.26 and 1,774.16 is: 2,449.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,767.16 : 3,821.26 = 1,774.16 : x
  2. Step 2: Convert to fraction form
    2,767.16/3,821.26 = 1,774.16/x
  3. Step 3: Cross multiply
    2,767.16x = 3,821.26 × 1,774.16
  4. Step 4: Simplify right side
    2,767.16x = 6,779,526.64
  5. Step 5: Solve for x
    x = 6,779,526.64/2,767.16
  6. Step 6: Final answer
    x = 2,449.99

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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.