Home / 2,795.42-3,856.47-1,747.82

Finding the Fourth Proportional to 2,795.42, 3,856.47 and 1,747.82

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Solution

The fourth proportional to 2,795.42, 3,856.47 and 1,747.82 is: 2,411.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,795.42 : 3,856.47 = 1,747.82 : x
  2. Step 2: Convert to fraction form
    2,795.42/3,856.47 = 1,747.82/x
  3. Step 3: Cross multiply
    2,795.42x = 3,856.47 × 1,747.82
  4. Step 4: Simplify right side
    2,795.42x = 6,740,415.40
  5. Step 5: Solve for x
    x = 6,740,415.40/2,795.42
  6. Step 6: Final answer
    x = 2,411.24

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1.5x scale

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.