Home / 3,030.63-4,182.21-1,772.43

Finding the Fourth Proportional to 3,030.63, 4,182.21 and 1,772.43

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Solution

The fourth proportional to 3,030.63, 4,182.21 and 1,772.43 is: 2,445.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,030.63 : 4,182.21 = 1,772.43 : x
  2. Step 2: Convert to fraction form
    3,030.63/4,182.21 = 1,772.43/x
  3. Step 3: Cross multiply
    3,030.63x = 4,182.21 × 1,772.43
  4. Step 4: Simplify right side
    3,030.63x = 7,412,674.47
  5. Step 5: Solve for x
    x = 7,412,674.47/3,030.63
  6. Step 6: Final answer
    x = 2,445.92

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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.