Home / 3,283.72-4,925.40-1,984.84

Finding the Fourth Proportional to 3,283.72, 4,925.40 and 1,984.84

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Solution

The fourth proportional to 3,283.72, 4,925.40 and 1,984.84 is: 2,977.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,283.72 : 4,925.40 = 1,984.84 : x
  2. Step 2: Convert to fraction form
    3,283.72/4,925.40 = 1,984.84/x
  3. Step 3: Cross multiply
    3,283.72x = 4,925.40 × 1,984.84
  4. Step 4: Simplify right side
    3,283.72x = 9,776,130.94
  5. Step 5: Solve for x
    x = 9,776,130.94/3,283.72
  6. Step 6: Final answer
    x = 2,977.15

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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.