Home / 3,398.58-5,095.47-1,316.85

Finding the Fourth Proportional to 3,398.58, 5,095.47 and 1,316.85

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Solution

The fourth proportional to 3,398.58, 5,095.47 and 1,316.85 is: 1,974.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,398.58 : 5,095.47 = 1,316.85 : x
  2. Step 2: Convert to fraction form
    3,398.58/5,095.47 = 1,316.85/x
  3. Step 3: Cross multiply
    3,398.58x = 5,095.47 × 1,316.85
  4. Step 4: Simplify right side
    3,398.58x = 6,709,969.67
  5. Step 5: Solve for x
    x = 6,709,969.67/3,398.58
  6. Step 6: Final answer
    x = 1,974.35

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1.5x scale

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.