Home / 2,230.12-3,080.10-1,877.32

Finding the Fourth Proportional to 2,230.12, 3,080.10 and 1,877.32

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Solution

The fourth proportional to 2,230.12, 3,080.10 and 1,877.32 is: 2,592.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,230.12 : 3,080.10 = 1,877.32 : x
  2. Step 2: Convert to fraction form
    2,230.12/3,080.10 = 1,877.32/x
  3. Step 3: Cross multiply
    2,230.12x = 3,080.10 × 1,877.32
  4. Step 4: Simplify right side
    2,230.12x = 5,782,333.33
  5. Step 5: Solve for x
    x = 5,782,333.33/2,230.12
  6. Step 6: Final answer
    x = 2,592.84

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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.