Home / 3,304.60-4,955.70-1,113.40

Finding the Fourth Proportional to 3,304.60, 4,955.70 and 1,113.40

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Solution

The fourth proportional to 3,304.60, 4,955.70 and 1,113.40 is: 1,669.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,304.60 : 4,955.70 = 1,113.40 : x
  2. Step 2: Convert to fraction form
    3,304.60/4,955.70 = 1,113.40/x
  3. Step 3: Cross multiply
    3,304.60x = 4,955.70 × 1,113.40
  4. Step 4: Simplify right side
    3,304.60x = 5,517,676.38
  5. Step 5: Solve for x
    x = 5,517,676.38/3,304.60
  6. Step 6: Final answer
    x = 1,669.70

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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.