Home / 3,153.03-4,720.62-1,668.88

Finding the Fourth Proportional to 3,153.03, 4,720.62 and 1,668.88

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Solution

The fourth proportional to 3,153.03, 4,720.62 and 1,668.88 is: 2,498.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,153.03 : 4,720.62 = 1,668.88 : x
  2. Step 2: Convert to fraction form
    3,153.03/4,720.62 = 1,668.88/x
  3. Step 3: Cross multiply
    3,153.03x = 4,720.62 × 1,668.88
  4. Step 4: Simplify right side
    3,153.03x = 7,878,148.31
  5. Step 5: Solve for x
    x = 7,878,148.31/3,153.03
  6. Step 6: Final answer
    x = 2,498.60

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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.