Home / 3,117.36-4,301.87-1,701.09

Finding the Fourth Proportional to 3,117.36, 4,301.87 and 1,701.09

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Solution

The fourth proportional to 3,117.36, 4,301.87 and 1,701.09 is: 2,347.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,117.36 : 4,301.87 = 1,701.09 : x
  2. Step 2: Convert to fraction form
    3,117.36/4,301.87 = 1,701.09/x
  3. Step 3: Cross multiply
    3,117.36x = 4,301.87 × 1,701.09
  4. Step 4: Simplify right side
    3,117.36x = 7,317,868.04
  5. Step 5: Solve for x
    x = 7,317,868.04/3,117.36
  6. Step 6: Final answer
    x = 2,347.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.