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Finding the Fourth Proportional to 2,420.61, 3,627.95 and 1,723.50

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Solution

The fourth proportional to 2,420.61, 3,627.95 and 1,723.50 is: 2,583.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,420.61 : 3,627.95 = 1,723.50 : x
  2. Step 2: Convert to fraction form
    2,420.61/3,627.95 = 1,723.50/x
  3. Step 3: Cross multiply
    2,420.61x = 3,627.95 × 1,723.50
  4. Step 4: Simplify right side
    2,420.61x = 6,252,771.83
  5. Step 5: Solve for x
    x = 6,252,771.83/2,420.61
  6. Step 6: Final answer
    x = 2,583.14

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1.5x scale

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.