Home / 2,383.16-3,290.22-1,887.80

Finding the Fourth Proportional to 2,383.16, 3,290.22 and 1,887.80

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Solution

The fourth proportional to 2,383.16, 3,290.22 and 1,887.80 is: 2,606.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,383.16 : 3,290.22 = 1,887.80 : x
  2. Step 2: Convert to fraction form
    2,383.16/3,290.22 = 1,887.80/x
  3. Step 3: Cross multiply
    2,383.16x = 3,290.22 × 1,887.80
  4. Step 4: Simplify right side
    2,383.16x = 6,211,277.32
  5. Step 5: Solve for x
    x = 6,211,277.32/2,383.16
  6. Step 6: Final answer
    x = 2,606.32

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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.