Home / 3,030.77-4,542.78-1,275.26

Finding the Fourth Proportional to 3,030.77, 4,542.78 and 1,275.26

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Solution

The fourth proportional to 3,030.77, 4,542.78 and 1,275.26 is: 1,911.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,030.77 : 4,542.78 = 1,275.26 : x
  2. Step 2: Convert to fraction form
    3,030.77/4,542.78 = 1,275.26/x
  3. Step 3: Cross multiply
    3,030.77x = 4,542.78 × 1,275.26
  4. Step 4: Simplify right side
    3,030.77x = 5,793,207.69
  5. Step 5: Solve for x
    x = 5,793,207.69/3,030.77
  6. Step 6: Final answer
    x = 1,911.46

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.