Home / 3,133.12-4,700.30-1,401.76

Finding the Fourth Proportional to 3,133.12, 4,700.30 and 1,401.76

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Solution

The fourth proportional to 3,133.12, 4,700.30 and 1,401.76 is: 2,102.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,133.12 : 4,700.30 = 1,401.76 : x
  2. Step 2: Convert to fraction form
    3,133.12/4,700.30 = 1,401.76/x
  3. Step 3: Cross multiply
    3,133.12x = 4,700.30 × 1,401.76
  4. Step 4: Simplify right side
    3,133.12x = 6,588,692.53
  5. Step 5: Solve for x
    x = 6,588,692.53/3,133.12
  6. Step 6: Final answer
    x = 2,102.92

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1.5x scale

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.