Home / 1,950.70-2,692.30-1,165.18

Finding the Fourth Proportional to 1,950.70, 2,692.30 and 1,165.18

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Solution

The fourth proportional to 1,950.70, 2,692.30 and 1,165.18 is: 1,608.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,950.70 : 2,692.30 = 1,165.18 : x
  2. Step 2: Convert to fraction form
    1,950.70/2,692.30 = 1,165.18/x
  3. Step 3: Cross multiply
    1,950.70x = 2,692.30 × 1,165.18
  4. Step 4: Simplify right side
    1,950.70x = 3,137,014.11
  5. Step 5: Solve for x
    x = 3,137,014.11/1,950.70
  6. Step 6: Final answer
    x = 1,608.15

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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.