Home / 2,344.61-3,521.93-1,420.60

Finding the Fourth Proportional to 2,344.61, 3,521.93 and 1,420.60

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Solution

The fourth proportional to 2,344.61, 3,521.93 and 1,420.60 is: 2,133.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,344.61 : 3,521.93 = 1,420.60 : x
  2. Step 2: Convert to fraction form
    2,344.61/3,521.93 = 1,420.60/x
  3. Step 3: Cross multiply
    2,344.61x = 3,521.93 × 1,420.60
  4. Step 4: Simplify right side
    2,344.61x = 5,003,253.76
  5. Step 5: Solve for x
    x = 5,003,253.76/2,344.61
  6. Step 6: Final answer
    x = 2,133.94

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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.