Home / 2,354.09-3,248.46-1,291.84

Finding the Fourth Proportional to 2,354.09, 3,248.46 and 1,291.84

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Solution

The fourth proportional to 2,354.09, 3,248.46 and 1,291.84 is: 1,782.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,354.09 : 3,248.46 = 1,291.84 : x
  2. Step 2: Convert to fraction form
    2,354.09/3,248.46 = 1,291.84/x
  3. Step 3: Cross multiply
    2,354.09x = 3,248.46 × 1,291.84
  4. Step 4: Simplify right side
    2,354.09x = 4,196,482.45
  5. Step 5: Solve for x
    x = 4,196,482.45/2,354.09
  6. Step 6: Final answer
    x = 1,782.64

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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.