Home / 3,461.22-4,776.54-1,948.82

Finding the Fourth Proportional to 3,461.22, 4,776.54 and 1,948.82

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Solution

The fourth proportional to 3,461.22, 4,776.54 and 1,948.82 is: 2,689.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,461.22 : 4,776.54 = 1,948.82 : x
  2. Step 2: Convert to fraction form
    3,461.22/4,776.54 = 1,948.82/x
  3. Step 3: Cross multiply
    3,461.22x = 4,776.54 × 1,948.82
  4. Step 4: Simplify right side
    3,461.22x = 9,308,592.80
  5. Step 5: Solve for x
    x = 9,308,592.80/3,461.22
  6. Step 6: Final answer
    x = 2,689.40

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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.