Home / 1,692.10-2,336.39-1,542.66

Finding the Fourth Proportional to 1,692.10, 2,336.39 and 1,542.66

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Solution

The fourth proportional to 1,692.10, 2,336.39 and 1,542.66 is: 2,130.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,692.10 : 2,336.39 = 1,542.66 : x
  2. Step 2: Convert to fraction form
    1,692.10/2,336.39 = 1,542.66/x
  3. Step 3: Cross multiply
    1,692.10x = 2,336.39 × 1,542.66
  4. Step 4: Simplify right side
    1,692.10x = 3,604,255.40
  5. Step 5: Solve for x
    x = 3,604,255.40/1,692.10
  6. Step 6: Final answer
    x = 2,130.05

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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.