Home / 3,428.48-4,731.31-1,856.58

Finding the Fourth Proportional to 3,428.48, 4,731.31 and 1,856.58

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Solution

The fourth proportional to 3,428.48, 4,731.31 and 1,856.58 is: 2,562.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,428.48 : 4,731.31 = 1,856.58 : x
  2. Step 2: Convert to fraction form
    3,428.48/4,731.31 = 1,856.58/x
  3. Step 3: Cross multiply
    3,428.48x = 4,731.31 × 1,856.58
  4. Step 4: Simplify right side
    3,428.48x = 8,784,055.52
  5. Step 5: Solve for x
    x = 8,784,055.52/3,428.48
  6. Step 6: Final answer
    x = 2,562.08

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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.