Home / 3,556.53-5,332.86-1,215.72

Finding the Fourth Proportional to 3,556.53, 5,332.86 and 1,215.72

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Solution

The fourth proportional to 3,556.53, 5,332.86 and 1,215.72 is: 1,822.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,556.53 : 5,332.86 = 1,215.72 : x
  2. Step 2: Convert to fraction form
    3,556.53/5,332.86 = 1,215.72/x
  3. Step 3: Cross multiply
    3,556.53x = 5,332.86 × 1,215.72
  4. Step 4: Simplify right side
    3,556.53x = 6,483,264.56
  5. Step 5: Solve for x
    x = 6,483,264.56/3,556.53
  6. Step 6: Final answer
    x = 1,822.92

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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.