Home / 2,829.61-3,905.04-1,650.25

Finding the Fourth Proportional to 2,829.61, 3,905.04 and 1,650.25

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Solution

The fourth proportional to 2,829.61, 3,905.04 and 1,650.25 is: 2,277.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,829.61 : 3,905.04 = 1,650.25 : x
  2. Step 2: Convert to fraction form
    2,829.61/3,905.04 = 1,650.25/x
  3. Step 3: Cross multiply
    2,829.61x = 3,905.04 × 1,650.25
  4. Step 4: Simplify right side
    2,829.61x = 6,444,292.26
  5. Step 5: Solve for x
    x = 6,444,292.26/2,829.61
  6. Step 6: Final answer
    x = 2,277.45

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1.5x scale

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.