Home / 4,603.20-6,905.80-1,681.50

Finding the Fourth Proportional to 4,603.20, 6,905.80 and 1,681.50

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Solution

The fourth proportional to 4,603.20, 6,905.80 and 1,681.50 is: 2,522.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,603.20 : 6,905.80 = 1,681.50 : x
  2. Step 2: Convert to fraction form
    4,603.20/6,905.80 = 1,681.50/x
  3. Step 3: Cross multiply
    4,603.20x = 6,905.80 × 1,681.50
  4. Step 4: Simplify right side
    4,603.20x = 11,612,102.70
  5. Step 5: Solve for x
    x = 11,612,102.70/4,603.20
  6. Step 6: Final answer
    x = 2,522.62

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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.