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Finding the Fourth Proportional to 2,140.50, 3,210.88 and 601.62

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Solution

The fourth proportional to 2,140.50, 3,210.88 and 601.62 is: 902.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,140.50 : 3,210.88 = 601.62 : x
  2. Step 2: Convert to fraction form
    2,140.50/3,210.88 = 601.62/x
  3. Step 3: Cross multiply
    2,140.50x = 3,210.88 × 601.62
  4. Step 4: Simplify right side
    2,140.50x = 1,931,729.63
  5. Step 5: Solve for x
    x = 1,931,729.63/2,140.50
  6. Step 6: Final answer
    x = 902.47

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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.