Home / 3,089.42-4,263.45-1,692.08

Finding the Fourth Proportional to 3,089.42, 4,263.45 and 1,692.08

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Solution

The fourth proportional to 3,089.42, 4,263.45 and 1,692.08 is: 2,335.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,089.42 : 4,263.45 = 1,692.08 : x
  2. Step 2: Convert to fraction form
    3,089.42/4,263.45 = 1,692.08/x
  3. Step 3: Cross multiply
    3,089.42x = 4,263.45 × 1,692.08
  4. Step 4: Simplify right side
    3,089.42x = 7,214,098.48
  5. Step 5: Solve for x
    x = 7,214,098.48/3,089.42
  6. Step 6: Final answer
    x = 2,335.10

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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.