Home / 3,012.09-4,517.09-1,430.63

Finding the Fourth Proportional to 3,012.09, 4,517.09 and 1,430.63

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Solution

The fourth proportional to 3,012.09, 4,517.09 and 1,430.63 is: 2,145.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,012.09 : 4,517.09 = 1,430.63 : x
  2. Step 2: Convert to fraction form
    3,012.09/4,517.09 = 1,430.63/x
  3. Step 3: Cross multiply
    3,012.09x = 4,517.09 × 1,430.63
  4. Step 4: Simplify right side
    3,012.09x = 6,462,265.46
  5. Step 5: Solve for x
    x = 6,462,265.46/3,012.09
  6. Step 6: Final answer
    x = 2,145.44

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1.5x scale

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.