Home / 2,430.36-3,353.94-1,326.36

Finding the Fourth Proportional to 2,430.36, 3,353.94 and 1,326.36

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Solution

The fourth proportional to 2,430.36, 3,353.94 and 1,326.36 is: 1,830.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,430.36 : 3,353.94 = 1,326.36 : x
  2. Step 2: Convert to fraction form
    2,430.36/3,353.94 = 1,326.36/x
  3. Step 3: Cross multiply
    2,430.36x = 3,353.94 × 1,326.36
  4. Step 4: Simplify right side
    2,430.36x = 4,448,531.86
  5. Step 5: Solve for x
    x = 4,448,531.86/2,430.36
  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.