Home / 2,402.35-3,317.21-2,280.04

Finding the Fourth Proportional to 2,402.35, 3,317.21 and 2,280.04

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Solution

The fourth proportional to 2,402.35, 3,317.21 and 2,280.04 is: 3,148.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,402.35 : 3,317.21 = 2,280.04 : x
  2. Step 2: Convert to fraction form
    2,402.35/3,317.21 = 2,280.04/x
  3. Step 3: Cross multiply
    2,402.35x = 3,317.21 × 2,280.04
  4. Step 4: Simplify right side
    2,402.35x = 7,563,360.35
  5. Step 5: Solve for x
    x = 7,563,360.35/2,402.35
  6. Step 6: Final answer
    x = 3,148.32

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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.