Home / 3,025.81-4,175.65-1,830.78

Finding the Fourth Proportional to 3,025.81, 4,175.65 and 1,830.78

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Solution

The fourth proportional to 3,025.81, 4,175.65 and 1,830.78 is: 2,526.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,025.81 : 4,175.65 = 1,830.78 : x
  2. Step 2: Convert to fraction form
    3,025.81/4,175.65 = 1,830.78/x
  3. Step 3: Cross multiply
    3,025.81x = 4,175.65 × 1,830.78
  4. Step 4: Simplify right side
    3,025.81x = 7,644,687.05
  5. Step 5: Solve for x
    x = 7,644,687.05/3,025.81
  6. Step 6: Final answer
    x = 2,526.50

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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.