Home / 2,919.10-4,352.94-2,892.77

Finding the Fourth Proportional to 2,919.10, 4,352.94 and 2,892.77

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Solution

The fourth proportional to 2,919.10, 4,352.94 and 2,892.77 is: 4,313.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,919.10 : 4,352.94 = 2,892.77 : x
  2. Step 2: Convert to fraction form
    2,919.10/4,352.94 = 2,892.77/x
  3. Step 3: Cross multiply
    2,919.10x = 4,352.94 × 2,892.77
  4. Step 4: Simplify right side
    2,919.10x = 12,592,065.13
  5. Step 5: Solve for x
    x = 12,592,065.13/2,919.10
  6. Step 6: Final answer
    x = 4,313.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.