Home / 2,913.84-4,347.22-2,621.52

Finding the Fourth Proportional to 2,913.84, 4,347.22 and 2,621.52

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Solution

The fourth proportional to 2,913.84, 4,347.22 and 2,621.52 is: 3,911.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,913.84 : 4,347.22 = 2,621.52 : x
  2. Step 2: Convert to fraction form
    2,913.84/4,347.22 = 2,621.52/x
  3. Step 3: Cross multiply
    2,913.84x = 4,347.22 × 2,621.52
  4. Step 4: Simplify right side
    2,913.84x = 11,396,324.17
  5. Step 5: Solve for x
    x = 11,396,324.17/2,913.84
  6. Step 6: Final answer
    x = 3,911.10

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.