Home / 2,955.60-4,433.58-981.54

Finding the Fourth Proportional to 2,955.60, 4,433.58 and 981.54

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Solution

The fourth proportional to 2,955.60, 4,433.58 and 981.54 is: 1,472.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,955.60 : 4,433.58 = 981.54 : x
  2. Step 2: Convert to fraction form
    2,955.60/4,433.58 = 981.54/x
  3. Step 3: Cross multiply
    2,955.60x = 4,433.58 × 981.54
  4. Step 4: Simplify right side
    2,955.60x = 4,351,736.11
  5. Step 5: Solve for x
    x = 4,351,736.11/2,955.60
  6. Step 6: Final answer
    x = 1,472.37

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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.