Home / 3,556.24-5,332.72-1,215.64

Finding the Fourth Proportional to 3,556.24, 5,332.72 and 1,215.64

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Solution

The fourth proportional to 3,556.24, 5,332.72 and 1,215.64 is: 1,822.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,556.24 : 5,332.72 = 1,215.64 : x
  2. Step 2: Convert to fraction form
    3,556.24/5,332.72 = 1,215.64/x
  3. Step 3: Cross multiply
    3,556.24x = 5,332.72 × 1,215.64
  4. Step 4: Simplify right side
    3,556.24x = 6,482,667.74
  5. Step 5: Solve for x
    x = 6,482,667.74/3,556.24
  6. Step 6: Final answer
    x = 1,822.90

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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.