Home / 2,158.10-3,239.55-2,017.10

Finding the Fourth Proportional to 2,158.10, 3,239.55 and 2,017.10

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Solution

The fourth proportional to 2,158.10, 3,239.55 and 2,017.10 is: 3,027.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,158.10 : 3,239.55 = 2,017.10 : x
  2. Step 2: Convert to fraction form
    2,158.10/3,239.55 = 2,017.10/x
  3. Step 3: Cross multiply
    2,158.10x = 3,239.55 × 2,017.10
  4. Step 4: Simplify right side
    2,158.10x = 6,534,496.31
  5. Step 5: Solve for x
    x = 6,534,496.31/2,158.10
  6. Step 6: Final answer
    x = 3,027.89

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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.