Home / 3,615.63-4,991.76-2,358.87

Finding the Fourth Proportional to 3,615.63, 4,991.76 and 2,358.87

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Solution

The fourth proportional to 3,615.63, 4,991.76 and 2,358.87 is: 3,256.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,615.63 : 4,991.76 = 2,358.87 : x
  2. Step 2: Convert to fraction form
    3,615.63/4,991.76 = 2,358.87/x
  3. Step 3: Cross multiply
    3,615.63x = 4,991.76 × 2,358.87
  4. Step 4: Simplify right side
    3,615.63x = 11,774,912.91
  5. Step 5: Solve for x
    x = 11,774,912.91/3,615.63
  6. Step 6: Final answer
    x = 3,256.67

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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.