Home / 2,710.96-4,065.68-1,411.76

Finding the Fourth Proportional to 2,710.96, 4,065.68 and 1,411.76

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Solution

The fourth proportional to 2,710.96, 4,065.68 and 1,411.76 is: 2,117.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,710.96 : 4,065.68 = 1,411.76 : x
  2. Step 2: Convert to fraction form
    2,710.96/4,065.68 = 1,411.76/x
  3. Step 3: Cross multiply
    2,710.96x = 4,065.68 × 1,411.76
  4. Step 4: Simplify right side
    2,710.96x = 5,739,764.40
  5. Step 5: Solve for x
    x = 5,739,764.40/2,710.96
  6. Step 6: Final answer
    x = 2,117.24

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.