Home / 1,838.03-2,770.81-1,715.83

Finding the Fourth Proportional to 1,838.03, 2,770.81 and 1,715.83

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Solution

The fourth proportional to 1,838.03, 2,770.81 and 1,715.83 is: 2,586.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,838.03 : 2,770.81 = 1,715.83 : x
  2. Step 2: Convert to fraction form
    1,838.03/2,770.81 = 1,715.83/x
  3. Step 3: Cross multiply
    1,838.03x = 2,770.81 × 1,715.83
  4. Step 4: Simplify right side
    1,838.03x = 4,754,238.92
  5. Step 5: Solve for x
    x = 4,754,238.92/1,838.03
  6. Step 6: Final answer
    x = 2,586.59

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.