Home / 2,176.74-3,004.23-1,292.76

Finding the Fourth Proportional to 2,176.74, 3,004.23 and 1,292.76

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Solution

The fourth proportional to 2,176.74, 3,004.23 and 1,292.76 is: 1,784.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,176.74 : 3,004.23 = 1,292.76 : x
  2. Step 2: Convert to fraction form
    2,176.74/3,004.23 = 1,292.76/x
  3. Step 3: Cross multiply
    2,176.74x = 3,004.23 × 1,292.76
  4. Step 4: Simplify right side
    2,176.74x = 3,883,748.37
  5. Step 5: Solve for x
    x = 3,883,748.37/2,176.74
  6. Step 6: Final answer
    x = 1,784.20

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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.