Home / 3,030.31-4,180.64-2,235.55

Finding the Fourth Proportional to 3,030.31, 4,180.64 and 2,235.55

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Solution

The fourth proportional to 3,030.31, 4,180.64 and 2,235.55 is: 3,084.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,030.31 : 4,180.64 = 2,235.55 : x
  2. Step 2: Convert to fraction form
    3,030.31/4,180.64 = 2,235.55/x
  3. Step 3: Cross multiply
    3,030.31x = 4,180.64 × 2,235.55
  4. Step 4: Simplify right side
    3,030.31x = 9,346,029.75
  5. Step 5: Solve for x
    x = 9,346,029.75/3,030.31
  6. Step 6: Final answer
    x = 3,084.18

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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.