Home / 2,177.48-3,005.60-1,617.76

Finding the Fourth Proportional to 2,177.48, 3,005.60 and 1,617.76

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Solution

The fourth proportional to 2,177.48, 3,005.60 and 1,617.76 is: 2,233.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,177.48 : 3,005.60 = 1,617.76 : x
  2. Step 2: Convert to fraction form
    2,177.48/3,005.60 = 1,617.76/x
  3. Step 3: Cross multiply
    2,177.48x = 3,005.60 × 1,617.76
  4. Step 4: Simplify right side
    2,177.48x = 4,862,339.46
  5. Step 5: Solve for x
    x = 4,862,339.46/2,177.48
  6. Step 6: Final answer
    x = 2,233.01

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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.