Home / 2,379.03-3,283.07-1,434.86

Finding the Fourth Proportional to 2,379.03, 3,283.07 and 1,434.86

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Solution

The fourth proportional to 2,379.03, 3,283.07 and 1,434.86 is: 1,980.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,379.03 : 3,283.07 = 1,434.86 : x
  2. Step 2: Convert to fraction form
    2,379.03/3,283.07 = 1,434.86/x
  3. Step 3: Cross multiply
    2,379.03x = 3,283.07 × 1,434.86
  4. Step 4: Simplify right side
    2,379.03x = 4,710,745.82
  5. Step 5: Solve for x
    x = 4,710,745.82/2,379.03
  6. Step 6: Final answer
    x = 1,980.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.