Home / 2,281.08-3,393.51-2,177.40

Finding the Fourth Proportional to 2,281.08, 3,393.51 and 2,177.40

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Solution

The fourth proportional to 2,281.08, 3,393.51 and 2,177.40 is: 3,239.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,281.08 : 3,393.51 = 2,177.40 : x
  2. Step 2: Convert to fraction form
    2,281.08/3,393.51 = 2,177.40/x
  3. Step 3: Cross multiply
    2,281.08x = 3,393.51 × 2,177.40
  4. Step 4: Simplify right side
    2,281.08x = 7,389,028.67
  5. Step 5: Solve for x
    x = 7,389,028.67/2,281.08
  6. Step 6: Final answer
    x = 3,239.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.