Home / 3,345.06-4,606.56-3,031.60

Finding the Fourth Proportional to 3,345.06, 4,606.56 and 3,031.60

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Solution

The fourth proportional to 3,345.06, 4,606.56 and 3,031.60 is: 4,174.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,345.06 : 4,606.56 = 3,031.60 : x
  2. Step 2: Convert to fraction form
    3,345.06/4,606.56 = 3,031.60/x
  3. Step 3: Cross multiply
    3,345.06x = 4,606.56 × 3,031.60
  4. Step 4: Simplify right side
    3,345.06x = 13,965,247.30
  5. Step 5: Solve for x
    x = 13,965,247.30/3,345.06
  6. Step 6: Final answer
    x = 4,174.89

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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.