Home / 2,880.55-4,317.18-2,647.27

Finding the Fourth Proportional to 2,880.55, 4,317.18 and 2,647.27

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Solution

The fourth proportional to 2,880.55, 4,317.18 and 2,647.27 is: 3,967.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,880.55 : 4,317.18 = 2,647.27 : x
  2. Step 2: Convert to fraction form
    2,880.55/4,317.18 = 2,647.27/x
  3. Step 3: Cross multiply
    2,880.55x = 4,317.18 × 2,647.27
  4. Step 4: Simplify right side
    2,880.55x = 11,428,741.10
  5. Step 5: Solve for x
    x = 11,428,741.10/2,880.55
  6. Step 6: Final answer
    x = 3,967.56

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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.