Home / 1,546.36-2,319.54-392.08

Finding the Fourth Proportional to 1,546.36, 2,319.54 and 392.08

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Solution

The fourth proportional to 1,546.36, 2,319.54 and 392.08 is: 588.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,546.36 : 2,319.54 = 392.08 : x
  2. Step 2: Convert to fraction form
    1,546.36/2,319.54 = 392.08/x
  3. Step 3: Cross multiply
    1,546.36x = 2,319.54 × 392.08
  4. Step 4: Simplify right side
    1,546.36x = 909,445.24
  5. Step 5: Solve for x
    x = 909,445.24/1,546.36
  6. Step 6: Final answer
    x = 588.12

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.