Home / 2,675.36-3,692.05-1,556.35

Finding the Fourth Proportional to 2,675.36, 3,692.05 and 1,556.35

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Solution

The fourth proportional to 2,675.36, 3,692.05 and 1,556.35 is: 2,147.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,675.36 : 3,692.05 = 1,556.35 : x
  2. Step 2: Convert to fraction form
    2,675.36/3,692.05 = 1,556.35/x
  3. Step 3: Cross multiply
    2,675.36x = 3,692.05 × 1,556.35
  4. Step 4: Simplify right side
    2,675.36x = 5,746,108.90
  5. Step 5: Solve for x
    x = 5,746,108.90/2,675.36
  6. Step 6: Final answer
    x = 2,147.79

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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.