Home / 2,903.76-4,005.45-2,709.36

Finding the Fourth Proportional to 2,903.76, 4,005.45 and 2,709.36

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Solution

The fourth proportional to 2,903.76, 4,005.45 and 2,709.36 is: 3,737.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,903.76 : 4,005.45 = 2,709.36 : x
  2. Step 2: Convert to fraction form
    2,903.76/4,005.45 = 2,709.36/x
  3. Step 3: Cross multiply
    2,903.76x = 4,005.45 × 2,709.36
  4. Step 4: Simplify right side
    2,903.76x = 10,852,206.01
  5. Step 5: Solve for x
    x = 10,852,206.01/2,903.76
  6. Step 6: Final answer
    x = 3,737.29

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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.