Home / 3,827.60-5,746.80-2,369.60

Finding the Fourth Proportional to 3,827.60, 5,746.80 and 2,369.60

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Solution

The fourth proportional to 3,827.60, 5,746.80 and 2,369.60 is: 3,557.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,827.60 : 5,746.80 = 2,369.60 : x
  2. Step 2: Convert to fraction form
    3,827.60/5,746.80 = 2,369.60/x
  3. Step 3: Cross multiply
    3,827.60x = 5,746.80 × 2,369.60
  4. Step 4: Simplify right side
    3,827.60x = 13,617,617.28
  5. Step 5: Solve for x
    x = 13,617,617.28/3,827.60
  6. Step 6: Final answer
    x = 3,557.74

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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.