Home / 3,012.09-4,156.55-1,753.18

Finding the Fourth Proportional to 3,012.09, 4,156.55 and 1,753.18

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Solution

The fourth proportional to 3,012.09, 4,156.55 and 1,753.18 is: 2,419.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,012.09 : 4,156.55 = 1,753.18 : x
  2. Step 2: Convert to fraction form
    3,012.09/4,156.55 = 1,753.18/x
  3. Step 3: Cross multiply
    3,012.09x = 4,156.55 × 1,753.18
  4. Step 4: Simplify right side
    3,012.09x = 7,287,159.55
  5. Step 5: Solve for x
    x = 7,287,159.55/3,012.09
  6. Step 6: Final answer
    x = 2,419.31

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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.