Home / 3,128.80-4,714.72-2,593.04

Finding the Fourth Proportional to 3,128.80, 4,714.72 and 2,593.04

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Solution

The fourth proportional to 3,128.80, 4,714.72 and 2,593.04 is: 3,907.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,128.80 : 4,714.72 = 2,593.04 : x
  2. Step 2: Convert to fraction form
    3,128.80/4,714.72 = 2,593.04/x
  3. Step 3: Cross multiply
    3,128.80x = 4,714.72 × 2,593.04
  4. Step 4: Simplify right side
    3,128.80x = 12,225,457.55
  5. Step 5: Solve for x
    x = 12,225,457.55/3,128.80
  6. Step 6: Final answer
    x = 3,907.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.