Home / 3,383.51-5,074.56-1,302.80

Finding the Fourth Proportional to 3,383.51, 5,074.56 and 1,302.80

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Solution

The fourth proportional to 3,383.51, 5,074.56 and 1,302.80 is: 1,953.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,383.51 : 5,074.56 = 1,302.80 : x
  2. Step 2: Convert to fraction form
    3,383.51/5,074.56 = 1,302.80/x
  3. Step 3: Cross multiply
    3,383.51x = 5,074.56 × 1,302.80
  4. Step 4: Simplify right side
    3,383.51x = 6,611,111.40
  5. Step 5: Solve for x
    x = 6,611,111.40/3,383.51
  6. Step 6: Final answer
    x = 1,953.92

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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.