Home / 3,352.10-5,030.55-1,405.70

Finding the Fourth Proportional to 3,352.10, 5,030.55 and 1,405.70

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Solution

The fourth proportional to 3,352.10, 5,030.55 and 1,405.70 is: 2,109.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,352.10 : 5,030.55 = 1,405.70 : x
  2. Step 2: Convert to fraction form
    3,352.10/5,030.55 = 1,405.70/x
  3. Step 3: Cross multiply
    3,352.10x = 5,030.55 × 1,405.70
  4. Step 4: Simplify right side
    3,352.10x = 7,071,444.14
  5. Step 5: Solve for x
    x = 7,071,444.14/3,352.10
  6. Step 6: Final answer
    x = 2,109.56

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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.