Home / 3,455.08-5,182.64-2,356.72

Finding the Fourth Proportional to 3,455.08, 5,182.64 and 2,356.72

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Solution

The fourth proportional to 3,455.08, 5,182.64 and 2,356.72 is: 3,535.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,455.08 : 5,182.64 = 2,356.72 : x
  2. Step 2: Convert to fraction form
    3,455.08/5,182.64 = 2,356.72/x
  3. Step 3: Cross multiply
    3,455.08x = 5,182.64 × 2,356.72
  4. Step 4: Simplify right side
    3,455.08x = 12,214,031.34
  5. Step 5: Solve for x
    x = 12,214,031.34/3,455.08
  6. Step 6: Final answer
    x = 3,535.09

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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.