Home / 2,430.50-3,354.09-1,326.50

Finding the Fourth Proportional to 2,430.50, 3,354.09 and 1,326.50

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Solution

The fourth proportional to 2,430.50, 3,354.09 and 1,326.50 is: 1,830.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,430.50 : 3,354.09 = 1,326.50 : x
  2. Step 2: Convert to fraction form
    2,430.50/3,354.09 = 1,326.50/x
  3. Step 3: Cross multiply
    2,430.50x = 3,354.09 × 1,326.50
  4. Step 4: Simplify right side
    2,430.50x = 4,449,200.39
  5. Step 5: Solve for x
    x = 4,449,200.39/2,430.50
  6. Step 6: Final answer
    x = 1,830.57

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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.