Home / 4,280.64-5,903.60-2,788

Finding the Fourth Proportional to 4,280.64, 5,903.60 and 2,788

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Solution

The fourth proportional to 4,280.64, 5,903.60 and 2,788 is: 3,845.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,280.64 : 5,903.60 = 2,788 : x
  2. Step 2: Convert to fraction form
    4,280.64/5,903.60 = 2,788/x
  3. Step 3: Cross multiply
    4,280.64x = 5,903.60 × 2,788
  4. Step 4: Simplify right side
    4,280.64x = 16,459,236.80
  5. Step 5: Solve for x
    x = 16,459,236.80/4,280.64
  6. Step 6: Final answer
    x = 3,845.04

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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.