Home / 3,461.55-4,776.75-1,889.61

Finding the Fourth Proportional to 3,461.55, 4,776.75 and 1,889.61

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Solution

The fourth proportional to 3,461.55, 4,776.75 and 1,889.61 is: 2,607.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,461.55 : 4,776.75 = 1,889.61 : x
  2. Step 2: Convert to fraction form
    3,461.55/4,776.75 = 1,889.61/x
  3. Step 3: Cross multiply
    3,461.55x = 4,776.75 × 1,889.61
  4. Step 4: Simplify right side
    3,461.55x = 9,026,194.57
  5. Step 5: Solve for x
    x = 9,026,194.57/3,461.55
  6. Step 6: Final answer
    x = 2,607.56

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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.