Home / 3,283.30-4,925.40-1,091.50

Finding the Fourth Proportional to 3,283.30, 4,925.40 and 1,091.50

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Solution

The fourth proportional to 3,283.30, 4,925.40 and 1,091.50 is: 1,637.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,283.30 : 4,925.40 = 1,091.50 : x
  2. Step 2: Convert to fraction form
    3,283.30/4,925.40 = 1,091.50/x
  3. Step 3: Cross multiply
    3,283.30x = 4,925.40 × 1,091.50
  4. Step 4: Simplify right side
    3,283.30x = 5,376,074.10
  5. Step 5: Solve for x
    x = 5,376,074.10/3,283.30
  6. Step 6: Final answer
    x = 1,637.40

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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.