Home / 3,315.84-4,968.90-1,465.28

Finding the Fourth Proportional to 3,315.84, 4,968.90 and 1,465.28

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Solution

The fourth proportional to 3,315.84, 4,968.90 and 1,465.28 is: 2,195.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,315.84 : 4,968.90 = 1,465.28 : x
  2. Step 2: Convert to fraction form
    3,315.84/4,968.90 = 1,465.28/x
  3. Step 3: Cross multiply
    3,315.84x = 4,968.90 × 1,465.28
  4. Step 4: Simplify right side
    3,315.84x = 7,280,829.79
  5. Step 5: Solve for x
    x = 7,280,829.79/3,315.84
  6. Step 6: Final answer
    x = 2,195.77

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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.