Home / 3,529.12-5,267.81-3,070.12

Finding the Fourth Proportional to 3,529.12, 5,267.81 and 3,070.12

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Solution

The fourth proportional to 3,529.12, 5,267.81 and 3,070.12 is: 4,582.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,529.12 : 5,267.81 = 3,070.12 : x
  2. Step 2: Convert to fraction form
    3,529.12/5,267.81 = 3,070.12/x
  3. Step 3: Cross multiply
    3,529.12x = 5,267.81 × 3,070.12
  4. Step 4: Simplify right side
    3,529.12x = 16,172,808.84
  5. Step 5: Solve for x
    x = 16,172,808.84/3,529.12
  6. Step 6: Final answer
    x = 4,582.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.