Home / 1,612.30-2,417.05-961.67

Finding the Fourth Proportional to 1,612.30, 2,417.05 and 961.67

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Solution

The fourth proportional to 1,612.30, 2,417.05 and 961.67 is: 1,441.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,612.30 : 2,417.05 = 961.67 : x
  2. Step 2: Convert to fraction form
    1,612.30/2,417.05 = 961.67/x
  3. Step 3: Cross multiply
    1,612.30x = 2,417.05 × 961.67
  4. Step 4: Simplify right side
    1,612.30x = 2,324,404.47
  5. Step 5: Solve for x
    x = 2,324,404.47/1,612.30
  6. Step 6: Final answer
    x = 1,441.67

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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.