Home / 3,541.61-4,881.40-2,420.61

Finding the Fourth Proportional to 3,541.61, 4,881.40 and 2,420.61

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Solution

The fourth proportional to 3,541.61, 4,881.40 and 2,420.61 is: 3,336.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,541.61 : 4,881.40 = 2,420.61 : x
  2. Step 2: Convert to fraction form
    3,541.61/4,881.40 = 2,420.61/x
  3. Step 3: Cross multiply
    3,541.61x = 4,881.40 × 2,420.61
  4. Step 4: Simplify right side
    3,541.61x = 11,815,941.25
  5. Step 5: Solve for x
    x = 11,815,941.25/3,541.61
  6. Step 6: Final answer
    x = 3,336.32

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1.5x scale

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.