Home / 1,692.50-2,530.85-1,204.07

Finding the Fourth Proportional to 1,692.50, 2,530.85 and 1,204.07

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Solution

The fourth proportional to 1,692.50, 2,530.85 and 1,204.07 is: 1,800.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,692.50 : 2,530.85 = 1,204.07 : x
  2. Step 2: Convert to fraction form
    1,692.50/2,530.85 = 1,204.07/x
  3. Step 3: Cross multiply
    1,692.50x = 2,530.85 × 1,204.07
  4. Step 4: Simplify right side
    1,692.50x = 3,047,301.88
  5. Step 5: Solve for x
    x = 3,047,301.88/1,692.50
  6. Step 6: Final answer
    x = 1,800.48

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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.