Home / 3,005.08-4,501.98-1,768.78

Finding the Fourth Proportional to 3,005.08, 4,501.98 and 1,768.78

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Solution

The fourth proportional to 3,005.08, 4,501.98 and 1,768.78 is: 2,649.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,005.08 : 4,501.98 = 1,768.78 : x
  2. Step 2: Convert to fraction form
    3,005.08/4,501.98 = 1,768.78/x
  3. Step 3: Cross multiply
    3,005.08x = 4,501.98 × 1,768.78
  4. Step 4: Simplify right side
    3,005.08x = 7,963,012.18
  5. Step 5: Solve for x
    x = 7,963,012.18/3,005.08
  6. Step 6: Final answer
    x = 2,649.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.