Home / 3,538.02-5,307.92-1,345.56

Finding the Fourth Proportional to 3,538.02, 5,307.92 and 1,345.56

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Solution

The fourth proportional to 3,538.02, 5,307.92 and 1,345.56 is: 2,018.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,538.02 : 5,307.92 = 1,345.56 : x
  2. Step 2: Convert to fraction form
    3,538.02/5,307.92 = 1,345.56/x
  3. Step 3: Cross multiply
    3,538.02x = 5,307.92 × 1,345.56
  4. Step 4: Simplify right side
    3,538.02x = 7,142,124.84
  5. Step 5: Solve for x
    x = 7,142,124.84/3,538.02
  6. Step 6: Final answer
    x = 2,018.68

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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.