Home / 2,430.38-3,353.93-1,326.38

Finding the Fourth Proportional to 2,430.38, 3,353.93 and 1,326.38

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Solution

The fourth proportional to 2,430.38, 3,353.93 and 1,326.38 is: 1,830.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,430.38 : 3,353.93 = 1,326.38 : x
  2. Step 2: Convert to fraction form
    2,430.38/3,353.93 = 1,326.38/x
  3. Step 3: Cross multiply
    2,430.38x = 3,353.93 × 1,326.38
  4. Step 4: Simplify right side
    2,430.38x = 4,448,562.27
  5. Step 5: Solve for x
    x = 4,448,562.27/2,430.38
  6. Step 6: Final answer
    x = 1,830.40

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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.