Home / 2,830.28-3,904.90-1,650.51

Finding the Fourth Proportional to 2,830.28, 3,904.90 and 1,650.51

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Solution

The fourth proportional to 2,830.28, 3,904.90 and 1,650.51 is: 2,277.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,830.28 : 3,904.90 = 1,650.51 : x
  2. Step 2: Convert to fraction form
    2,830.28/3,904.90 = 1,650.51/x
  3. Step 3: Cross multiply
    2,830.28x = 3,904.90 × 1,650.51
  4. Step 4: Simplify right side
    2,830.28x = 6,445,076.50
  5. Step 5: Solve for x
    x = 6,445,076.50/2,830.28
  6. Step 6: Final answer
    x = 2,277.19

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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.