Home / 2,913.60-4,363.95-2,685.96

Finding the Fourth Proportional to 2,913.60, 4,363.95 and 2,685.96

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Solution

The fourth proportional to 2,913.60, 4,363.95 and 2,685.96 is: 4,022.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,913.60 : 4,363.95 = 2,685.96 : x
  2. Step 2: Convert to fraction form
    2,913.60/4,363.95 = 2,685.96/x
  3. Step 3: Cross multiply
    2,913.60x = 4,363.95 × 2,685.96
  4. Step 4: Simplify right side
    2,913.60x = 11,721,395.14
  5. Step 5: Solve for x
    x = 11,721,395.14/2,913.60
  6. Step 6: Final answer
    x = 4,022.99

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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.