Home / 3,303.72-4,955.76-1,355.40

Finding the Fourth Proportional to 3,303.72, 4,955.76 and 1,355.40

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Solution

The fourth proportional to 3,303.72, 4,955.76 and 1,355.40 is: 2,033.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,303.72 : 4,955.76 = 1,355.40 : x
  2. Step 2: Convert to fraction form
    3,303.72/4,955.76 = 1,355.40/x
  3. Step 3: Cross multiply
    3,303.72x = 4,955.76 × 1,355.40
  4. Step 4: Simplify right side
    3,303.72x = 6,717,037.10
  5. Step 5: Solve for x
    x = 6,717,037.10/3,303.72
  6. Step 6: Final answer
    x = 2,033.17

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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.