Home / 2,774.36-4,155.96-1,314.92

Finding the Fourth Proportional to 2,774.36, 4,155.96 and 1,314.92

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Solution

The fourth proportional to 2,774.36, 4,155.96 and 1,314.92 is: 1,969.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,774.36 : 4,155.96 = 1,314.92 : x
  2. Step 2: Convert to fraction form
    2,774.36/4,155.96 = 1,314.92/x
  3. Step 3: Cross multiply
    2,774.36x = 4,155.96 × 1,314.92
  4. Step 4: Simplify right side
    2,774.36x = 5,464,754.92
  5. Step 5: Solve for x
    x = 5,464,754.92/2,774.36
  6. Step 6: Final answer
    x = 1,969.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.