Home / 1,692.30-2,335.38-1,029.03

Finding the Fourth Proportional to 1,692.30, 2,335.38 and 1,029.03

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Solution

The fourth proportional to 1,692.30, 2,335.38 and 1,029.03 is: 1,420.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,692.30 : 2,335.38 = 1,029.03 : x
  2. Step 2: Convert to fraction form
    1,692.30/2,335.38 = 1,029.03/x
  3. Step 3: Cross multiply
    1,692.30x = 2,335.38 × 1,029.03
  4. Step 4: Simplify right side
    1,692.30x = 2,403,176.08
  5. Step 5: Solve for x
    x = 2,403,176.08/1,692.30
  6. Step 6: Final answer
    x = 1,420.07

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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.