Home / 3,354.48-5,031.36-1,406.88

Finding the Fourth Proportional to 3,354.48, 5,031.36 and 1,406.88

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Solution

The fourth proportional to 3,354.48, 5,031.36 and 1,406.88 is: 2,110.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,354.48 : 5,031.36 = 1,406.88 : x
  2. Step 2: Convert to fraction form
    3,354.48/5,031.36 = 1,406.88/x
  3. Step 3: Cross multiply
    3,354.48x = 5,031.36 × 1,406.88
  4. Step 4: Simplify right side
    3,354.48x = 7,078,519.76
  5. Step 5: Solve for x
    x = 7,078,519.76/3,354.48
  6. Step 6: Final answer
    x = 2,110.17

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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.