Home / 2,951.48-4,419.90-1,715.15

Finding the Fourth Proportional to 2,951.48, 4,419.90 and 1,715.15

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Solution

The fourth proportional to 2,951.48, 4,419.90 and 1,715.15 is: 2,568.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,951.48 : 4,419.90 = 1,715.15 : x
  2. Step 2: Convert to fraction form
    2,951.48/4,419.90 = 1,715.15/x
  3. Step 3: Cross multiply
    2,951.48x = 4,419.90 × 1,715.15
  4. Step 4: Simplify right side
    2,951.48x = 7,580,802.53
  5. Step 5: Solve for x
    x = 7,580,802.53/2,951.48
  6. Step 6: Final answer
    x = 2,568.47

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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.