Home / 1,615.06-2,228.44-951.67

Finding the Fourth Proportional to 1,615.06, 2,228.44 and 951.67

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Solution

The fourth proportional to 1,615.06, 2,228.44 and 951.67 is: 1,313.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,615.06 : 2,228.44 = 951.67 : x
  2. Step 2: Convert to fraction form
    1,615.06/2,228.44 = 951.67/x
  3. Step 3: Cross multiply
    1,615.06x = 2,228.44 × 951.67
  4. Step 4: Simplify right side
    1,615.06x = 2,120,742.69
  5. Step 5: Solve for x
    x = 2,120,742.69/1,615.06
  6. Step 6: Final answer
    x = 1,313.10

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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.