Home / 2,408.64-3,323.52-1,360.40

Finding the Fourth Proportional to 2,408.64, 3,323.52 and 1,360.40

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Solution

The fourth proportional to 2,408.64, 3,323.52 and 1,360.40 is: 1,877.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,408.64 : 3,323.52 = 1,360.40 : x
  2. Step 2: Convert to fraction form
    2,408.64/3,323.52 = 1,360.40/x
  3. Step 3: Cross multiply
    2,408.64x = 3,323.52 × 1,360.40
  4. Step 4: Simplify right side
    2,408.64x = 4,521,316.61
  5. Step 5: Solve for x
    x = 4,521,316.61/2,408.64
  6. Step 6: Final answer
    x = 1,877.12

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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.