Home / 3,540.19-5,307.18-1,347.46

Finding the Fourth Proportional to 3,540.19, 5,307.18 and 1,347.46

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Solution

The fourth proportional to 3,540.19, 5,307.18 and 1,347.46 is: 2,020.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,540.19 : 5,307.18 = 1,347.46 : x
  2. Step 2: Convert to fraction form
    3,540.19/5,307.18 = 1,347.46/x
  3. Step 3: Cross multiply
    3,540.19x = 5,307.18 × 1,347.46
  4. Step 4: Simplify right side
    3,540.19x = 7,151,212.76
  5. Step 5: Solve for x
    x = 7,151,212.76/3,540.19
  6. Step 6: Final answer
    x = 2,020.01

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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.