Home / 2,880.41-4,319.55-2,265.32

Finding the Fourth Proportional to 2,880.41, 4,319.55 and 2,265.32

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Solution

The fourth proportional to 2,880.41, 4,319.55 and 2,265.32 is: 3,397.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,880.41 : 4,319.55 = 2,265.32 : x
  2. Step 2: Convert to fraction form
    2,880.41/4,319.55 = 2,265.32/x
  3. Step 3: Cross multiply
    2,880.41x = 4,319.55 × 2,265.32
  4. Step 4: Simplify right side
    2,880.41x = 9,785,163.01
  5. Step 5: Solve for x
    x = 9,785,163.01/2,880.41
  6. Step 6: Final answer
    x = 3,397.14

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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.