Home / 3,400.34-4,692.70-1,887.97

Finding the Fourth Proportional to 3,400.34, 4,692.70 and 1,887.97

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Solution

The fourth proportional to 3,400.34, 4,692.70 and 1,887.97 is: 2,605.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,400.34 : 4,692.70 = 1,887.97 : x
  2. Step 2: Convert to fraction form
    3,400.34/4,692.70 = 1,887.97/x
  3. Step 3: Cross multiply
    3,400.34x = 4,692.70 × 1,887.97
  4. Step 4: Simplify right side
    3,400.34x = 8,859,681.50
  5. Step 5: Solve for x
    x = 8,859,681.50/3,400.34
  6. Step 6: Final answer
    x = 2,605.53

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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.