Home / 2,177.48-3,004.98-1,293.48

Finding the Fourth Proportional to 2,177.48, 3,004.98 and 1,293.48

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Solution

The fourth proportional to 2,177.48, 3,004.98 and 1,293.48 is: 1,785.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,177.48 : 3,004.98 = 1,293.48 : x
  2. Step 2: Convert to fraction form
    2,177.48/3,004.98 = 1,293.48/x
  3. Step 3: Cross multiply
    2,177.48x = 3,004.98 × 1,293.48
  4. Step 4: Simplify right side
    2,177.48x = 3,886,881.53
  5. Step 5: Solve for x
    x = 3,886,881.53/2,177.48
  6. Step 6: Final answer
    x = 1,785.04

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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.