Home / 3,295.90-4,557.09-2,880.91

Finding the Fourth Proportional to 3,295.90, 4,557.09 and 2,880.91

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Solution

The fourth proportional to 3,295.90, 4,557.09 and 2,880.91 is: 3,983.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,295.90 : 4,557.09 = 2,880.91 : x
  2. Step 2: Convert to fraction form
    3,295.90/4,557.09 = 2,880.91/x
  3. Step 3: Cross multiply
    3,295.90x = 4,557.09 × 2,880.91
  4. Step 4: Simplify right side
    3,295.90x = 13,128,566.15
  5. Step 5: Solve for x
    x = 13,128,566.15/3,295.90
  6. Step 6: Final answer
    x = 3,983.30

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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.