Home / 3,588.12-5,382.02-1,640.30

Finding the Fourth Proportional to 3,588.12, 5,382.02 and 1,640.30

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Solution

The fourth proportional to 3,588.12, 5,382.02 and 1,640.30 is: 2,460.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,588.12 : 5,382.02 = 1,640.30 : x
  2. Step 2: Convert to fraction form
    3,588.12/5,382.02 = 1,640.30/x
  3. Step 3: Cross multiply
    3,588.12x = 5,382.02 × 1,640.30
  4. Step 4: Simplify right side
    3,588.12x = 8,828,127.41
  5. Step 5: Solve for x
    x = 8,828,127.41/3,588.12
  6. Step 6: Final answer
    x = 2,460.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.