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Finding the Fourth Proportional to 2,692.31, 4,018.82 and 2,364.26

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Solution

The fourth proportional to 2,692.31, 4,018.82 and 2,364.26 is: 3,529.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,692.31 : 4,018.82 = 2,364.26 : x
  2. Step 2: Convert to fraction form
    2,692.31/4,018.82 = 2,364.26/x
  3. Step 3: Cross multiply
    2,692.31x = 4,018.82 × 2,364.26
  4. Step 4: Simplify right side
    2,692.31x = 9,501,503.46
  5. Step 5: Solve for x
    x = 9,501,503.46/2,692.31
  6. Step 6: Final answer
    x = 3,529.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.