Home / 3,417.10-5,116.53-2,177.80

Finding the Fourth Proportional to 3,417.10, 5,116.53 and 2,177.80

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Solution

The fourth proportional to 3,417.10, 5,116.53 and 2,177.80 is: 3,260.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,417.10 : 5,116.53 = 2,177.80 : x
  2. Step 2: Convert to fraction form
    3,417.10/5,116.53 = 2,177.80/x
  3. Step 3: Cross multiply
    3,417.10x = 5,116.53 × 2,177.80
  4. Step 4: Simplify right side
    3,417.10x = 11,142,779.03
  5. Step 5: Solve for x
    x = 11,142,779.03/3,417.10
  6. Step 6: Final answer
    x = 3,260.89

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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.