Home / 3,398.10-5,094.82-1,316.40

Finding the Fourth Proportional to 3,398.10, 5,094.82 and 1,316.40

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Solution

The fourth proportional to 3,398.10, 5,094.82 and 1,316.40 is: 1,973.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,398.10 : 5,094.82 = 1,316.40 : x
  2. Step 2: Convert to fraction form
    3,398.10/5,094.82 = 1,316.40/x
  3. Step 3: Cross multiply
    3,398.10x = 5,094.82 × 1,316.40
  4. Step 4: Simplify right side
    3,398.10x = 6,706,821.05
  5. Step 5: Solve for x
    x = 6,706,821.05/3,398.10
  6. Step 6: Final answer
    x = 1,973.70

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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.