Home / 3,025.20-4,175.58-1,830.20

Finding the Fourth Proportional to 3,025.20, 4,175.58 and 1,830.20

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Solution

The fourth proportional to 3,025.20, 4,175.58 and 1,830.20 is: 2,526.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,025.20 : 4,175.58 = 1,830.20 : x
  2. Step 2: Convert to fraction form
    3,025.20/4,175.58 = 1,830.20/x
  3. Step 3: Cross multiply
    3,025.20x = 4,175.58 × 1,830.20
  4. Step 4: Simplify right side
    3,025.20x = 7,642,125.64
  5. Step 5: Solve for x
    x = 7,642,125.64/3,025.20
  6. Step 6: Final answer
    x = 2,526.16

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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.