Home / 2,177.40-3,004.14-1,337.70

Finding the Fourth Proportional to 2,177.40, 3,004.14 and 1,337.70

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Solution

The fourth proportional to 2,177.40, 3,004.14 and 1,337.70 is: 1,845.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,177.40 : 3,004.14 = 1,337.70 : x
  2. Step 2: Convert to fraction form
    2,177.40/3,004.14 = 1,337.70/x
  3. Step 3: Cross multiply
    2,177.40x = 3,004.14 × 1,337.70
  4. Step 4: Simplify right side
    2,177.40x = 4,018,638.08
  5. Step 5: Solve for x
    x = 4,018,638.08/2,177.40
  6. Step 6: Final answer
    x = 1,845.61

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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.