Home / 3,153.86-4,730.69-962.50

Finding the Fourth Proportional to 3,153.86, 4,730.69 and 962.50

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Solution

The fourth proportional to 3,153.86, 4,730.69 and 962.50 is: 1,443.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,153.86 : 4,730.69 = 962.50 : x
  2. Step 2: Convert to fraction form
    3,153.86/4,730.69 = 962.50/x
  3. Step 3: Cross multiply
    3,153.86x = 4,730.69 × 962.50
  4. Step 4: Simplify right side
    3,153.86x = 4,553,289.13
  5. Step 5: Solve for x
    x = 4,553,289.13/3,153.86
  6. Step 6: Final answer
    x = 1,443.72

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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.