Home / 3,903.02-5,376.95-2,721.98

Finding the Fourth Proportional to 3,903.02, 5,376.95 and 2,721.98

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Solution

The fourth proportional to 3,903.02, 5,376.95 and 2,721.98 is: 3,749.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,903.02 : 5,376.95 = 2,721.98 : x
  2. Step 2: Convert to fraction form
    3,903.02/5,376.95 = 2,721.98/x
  3. Step 3: Cross multiply
    3,903.02x = 5,376.95 × 2,721.98
  4. Step 4: Simplify right side
    3,903.02x = 14,635,950.36
  5. Step 5: Solve for x
    x = 14,635,950.36/3,903.02
  6. Step 6: Final answer
    x = 3,749.90

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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.