Home / 4,160-5,738.72-2,903.70

Finding the Fourth Proportional to 4,160, 5,738.72 and 2,903.70

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Solution

The fourth proportional to 4,160, 5,738.72 and 2,903.70 is: 4,005.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,160 : 5,738.72 = 2,903.70 : x
  2. Step 2: Convert to fraction form
    4,160/5,738.72 = 2,903.70/x
  3. Step 3: Cross multiply
    4,160x = 5,738.72 × 2,903.70
  4. Step 4: Simplify right side
    4,160x = 16,663,521.26
  5. Step 5: Solve for x
    x = 16,663,521.26/4,160
  6. Step 6: Final answer
    x = 4,005.65

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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.