Home / 4,072.35-5,620.02-2,303.91

Finding the Fourth Proportional to 4,072.35, 5,620.02 and 2,303.91

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Solution

The fourth proportional to 4,072.35, 5,620.02 and 2,303.91 is: 3,179.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,072.35 : 5,620.02 = 2,303.91 : x
  2. Step 2: Convert to fraction form
    4,072.35/5,620.02 = 2,303.91/x
  3. Step 3: Cross multiply
    4,072.35x = 5,620.02 × 2,303.91
  4. Step 4: Simplify right side
    4,072.35x = 12,948,020.28
  5. Step 5: Solve for x
    x = 12,948,020.28/4,072.35
  6. Step 6: Final answer
    x = 3,179.50

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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.