Home / 2,107.60-3,161.37-953.35

Finding the Fourth Proportional to 2,107.60, 3,161.37 and 953.35

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Solution

The fourth proportional to 2,107.60, 3,161.37 and 953.35 is: 1,430.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,107.60 : 3,161.37 = 953.35 : x
  2. Step 2: Convert to fraction form
    2,107.60/3,161.37 = 953.35/x
  3. Step 3: Cross multiply
    2,107.60x = 3,161.37 × 953.35
  4. Step 4: Simplify right side
    2,107.60x = 3,013,892.09
  5. Step 5: Solve for x
    x = 3,013,892.09/2,107.60
  6. Step 6: Final answer
    x = 1,430.01

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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.