Home / 3,005.02-4,146.72-1,660.58

Finding the Fourth Proportional to 3,005.02, 4,146.72 and 1,660.58

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Solution

The fourth proportional to 3,005.02, 4,146.72 and 1,660.58 is: 2,291.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,005.02 : 4,146.72 = 1,660.58 : x
  2. Step 2: Convert to fraction form
    3,005.02/4,146.72 = 1,660.58/x
  3. Step 3: Cross multiply
    3,005.02x = 4,146.72 × 1,660.58
  4. Step 4: Simplify right side
    3,005.02x = 6,885,960.30
  5. Step 5: Solve for x
    x = 6,885,960.30/3,005.02
  6. Step 6: Final answer
    x = 2,291.49

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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.