Home / 2,402.19-3,316.28-1,705.23

Finding the Fourth Proportional to 2,402.19, 3,316.28 and 1,705.23

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Solution

The fourth proportional to 2,402.19, 3,316.28 and 1,705.23 is: 2,354.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,402.19 : 3,316.28 = 1,705.23 : x
  2. Step 2: Convert to fraction form
    2,402.19/3,316.28 = 1,705.23/x
  3. Step 3: Cross multiply
    2,402.19x = 3,316.28 × 1,705.23
  4. Step 4: Simplify right side
    2,402.19x = 5,655,011.62
  5. Step 5: Solve for x
    x = 5,655,011.62/2,402.19
  6. Step 6: Final answer
    x = 2,354.11

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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.