Home / 2,884.48-3,980.65-1,625.44

Finding the Fourth Proportional to 2,884.48, 3,980.65 and 1,625.44

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Solution

The fourth proportional to 2,884.48, 3,980.65 and 1,625.44 is: 2,243.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,884.48 : 3,980.65 = 1,625.44 : x
  2. Step 2: Convert to fraction form
    2,884.48/3,980.65 = 1,625.44/x
  3. Step 3: Cross multiply
    2,884.48x = 3,980.65 × 1,625.44
  4. Step 4: Simplify right side
    2,884.48x = 6,470,307.74
  5. Step 5: Solve for x
    x = 6,470,307.74/2,884.48
  6. Step 6: Final answer
    x = 2,243.15

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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.