Home / 3,578.48-4,945.08-2,692.74

Finding the Fourth Proportional to 3,578.48, 4,945.08 and 2,692.74

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Solution

The fourth proportional to 3,578.48, 4,945.08 and 2,692.74 is: 3,721.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,578.48 : 4,945.08 = 2,692.74 : x
  2. Step 2: Convert to fraction form
    3,578.48/4,945.08 = 2,692.74/x
  3. Step 3: Cross multiply
    3,578.48x = 4,945.08 × 2,692.74
  4. Step 4: Simplify right side
    3,578.48x = 13,315,814.72
  5. Step 5: Solve for x
    x = 13,315,814.72/3,578.48
  6. Step 6: Final answer
    x = 3,721.08

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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.