Home / 2,829.50-3,904.74-1,587.50

Finding the Fourth Proportional to 2,829.50, 3,904.74 and 1,587.50

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Solution

The fourth proportional to 2,829.50, 3,904.74 and 1,587.50 is: 2,190.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,829.50 : 3,904.74 = 1,587.50 : x
  2. Step 2: Convert to fraction form
    2,829.50/3,904.74 = 1,587.50/x
  3. Step 3: Cross multiply
    2,829.50x = 3,904.74 × 1,587.50
  4. Step 4: Simplify right side
    2,829.50x = 6,198,774.75
  5. Step 5: Solve for x
    x = 6,198,774.75/2,829.50
  6. Step 6: Final answer
    x = 2,190.77

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.