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Finding the Fourth Proportional to 2,524, 3,483.60 and 1,420

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Solution

The fourth proportional to 2,524, 3,483.60 and 1,420 is: 1,959.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,524 : 3,483.60 = 1,420 : x
  2. Step 2: Convert to fraction form
    2,524/3,483.60 = 1,420/x
  3. Step 3: Cross multiply
    2,524x = 3,483.60 × 1,420
  4. Step 4: Simplify right side
    2,524x = 4,946,712
  5. Step 5: Solve for x
    x = 4,946,712/2,524
  6. Step 6: Final answer
    x = 1,959.87

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.