Home / 2,949.30-4,070.09-1,754.42

Finding the Fourth Proportional to 2,949.30, 4,070.09 and 1,754.42

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Solution

The fourth proportional to 2,949.30, 4,070.09 and 1,754.42 is: 2,421.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,949.30 : 4,070.09 = 1,754.42 : x
  2. Step 2: Convert to fraction form
    2,949.30/4,070.09 = 1,754.42/x
  3. Step 3: Cross multiply
    2,949.30x = 4,070.09 × 1,754.42
  4. Step 4: Simplify right side
    2,949.30x = 7,140,631.33
  5. Step 5: Solve for x
    x = 7,140,631.33/2,949.30
  6. Step 6: Final answer
    x = 2,421.13

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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.