Home / 2,829.90-4,242.63-1,368.66

Finding the Fourth Proportional to 2,829.90, 4,242.63 and 1,368.66

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Solution

The fourth proportional to 2,829.90, 4,242.63 and 1,368.66 is: 2,051.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,829.90 : 4,242.63 = 1,368.66 : x
  2. Step 2: Convert to fraction form
    2,829.90/4,242.63 = 1,368.66/x
  3. Step 3: Cross multiply
    2,829.90x = 4,242.63 × 1,368.66
  4. Step 4: Simplify right side
    2,829.90x = 5,806,717.98
  5. Step 5: Solve for x
    x = 5,806,717.98/2,829.90
  6. Step 6: Final answer
    x = 2,051.92

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.