Home / 2,829.98-3,904.95-1,587.74

Finding the Fourth Proportional to 2,829.98, 3,904.95 and 1,587.74

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Solution

The fourth proportional to 2,829.98, 3,904.95 and 1,587.74 is: 2,190.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,829.98 : 3,904.95 = 1,587.74 : x
  2. Step 2: Convert to fraction form
    2,829.98/3,904.95 = 1,587.74/x
  3. Step 3: Cross multiply
    2,829.98x = 3,904.95 × 1,587.74
  4. Step 4: Simplify right side
    2,829.98x = 6,200,045.31
  5. Step 5: Solve for x
    x = 6,200,045.31/2,829.98
  6. Step 6: Final answer
    x = 2,190.84

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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.