Home / 2,907.70-4,011.21-1,727.93

Finding the Fourth Proportional to 2,907.70, 4,011.21 and 1,727.93

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Solution

The fourth proportional to 2,907.70, 4,011.21 and 1,727.93 is: 2,383.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,907.70 : 4,011.21 = 1,727.93 : x
  2. Step 2: Convert to fraction form
    2,907.70/4,011.21 = 1,727.93/x
  3. Step 3: Cross multiply
    2,907.70x = 4,011.21 × 1,727.93
  4. Step 4: Simplify right side
    2,907.70x = 6,931,081.46
  5. Step 5: Solve for x
    x = 6,931,081.46/2,907.70
  6. Step 6: Final answer
    x = 2,383.70

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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.