Home / 3,564.70-5,347.05-1,256.20

Finding the Fourth Proportional to 3,564.70, 5,347.05 and 1,256.20

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Solution

The fourth proportional to 3,564.70, 5,347.05 and 1,256.20 is: 1,884.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,564.70 : 5,347.05 = 1,256.20 : x
  2. Step 2: Convert to fraction form
    3,564.70/5,347.05 = 1,256.20/x
  3. Step 3: Cross multiply
    3,564.70x = 5,347.05 × 1,256.20
  4. Step 4: Simplify right side
    3,564.70x = 6,716,964.21
  5. Step 5: Solve for x
    x = 6,716,964.21/3,564.70
  6. Step 6: Final answer
    x = 1,884.30

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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.