Home / 3,461.09-4,774.93-1,948.30

Finding the Fourth Proportional to 3,461.09, 4,774.93 and 1,948.30

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Solution

The fourth proportional to 3,461.09, 4,774.93 and 1,948.30 is: 2,687.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,461.09 : 4,774.93 = 1,948.30 : x
  2. Step 2: Convert to fraction form
    3,461.09/4,774.93 = 1,948.30/x
  3. Step 3: Cross multiply
    3,461.09x = 4,774.93 × 1,948.30
  4. Step 4: Simplify right side
    3,461.09x = 9,302,979.31
  5. Step 5: Solve for x
    x = 9,302,979.31/3,461.09
  6. Step 6: Final answer
    x = 2,687.88

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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.