Home / 3,012.47-4,157.27-1,817.45

Finding the Fourth Proportional to 3,012.47, 4,157.27 and 1,817.45

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Solution

The fourth proportional to 3,012.47, 4,157.27 and 1,817.45 is: 2,508.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,012.47 : 4,157.27 = 1,817.45 : x
  2. Step 2: Convert to fraction form
    3,012.47/4,157.27 = 1,817.45/x
  3. Step 3: Cross multiply
    3,012.47x = 4,157.27 × 1,817.45
  4. Step 4: Simplify right side
    3,012.47x = 7,555,630.36
  5. Step 5: Solve for x
    x = 7,555,630.36/3,012.47
  6. Step 6: Final answer
    x = 2,508.12

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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.