Home / 3,379.32-5,068.98-1,430.16

Finding the Fourth Proportional to 3,379.32, 5,068.98 and 1,430.16

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Solution

The fourth proportional to 3,379.32, 5,068.98 and 1,430.16 is: 2,145.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,379.32 : 5,068.98 = 1,430.16 : x
  2. Step 2: Convert to fraction form
    3,379.32/5,068.98 = 1,430.16/x
  3. Step 3: Cross multiply
    3,379.32x = 5,068.98 × 1,430.16
  4. Step 4: Simplify right side
    3,379.32x = 7,249,433.43
  5. Step 5: Solve for x
    x = 7,249,433.43/3,379.32
  6. Step 6: Final answer
    x = 2,145.23

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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.