Home / 1,430.08-2,135.60-1,414.61

Finding the Fourth Proportional to 1,430.08, 2,135.60 and 1,414.61

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Solution

The fourth proportional to 1,430.08, 2,135.60 and 1,414.61 is: 2,112.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,430.08 : 2,135.60 = 1,414.61 : x
  2. Step 2: Convert to fraction form
    1,430.08/2,135.60 = 1,414.61/x
  3. Step 3: Cross multiply
    1,430.08x = 2,135.60 × 1,414.61
  4. Step 4: Simplify right side
    1,430.08x = 3,021,048.69
  5. Step 5: Solve for x
    x = 3,021,048.69/1,430.08
  6. Step 6: Final answer
    x = 2,112.51

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.