Home / 1,548.32-2,322.47-394.07

Finding the Fourth Proportional to 1,548.32, 2,322.47 and 394.07

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Solution

The fourth proportional to 1,548.32, 2,322.47 and 394.07 is: 591.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,548.32 : 2,322.47 = 394.07 : x
  2. Step 2: Convert to fraction form
    1,548.32/2,322.47 = 394.07/x
  3. Step 3: Cross multiply
    1,548.32x = 2,322.47 × 394.07
  4. Step 4: Simplify right side
    1,548.32x = 915,205.13
  5. Step 5: Solve for x
    x = 915,205.13/1,548.32
  6. Step 6: Final answer
    x = 591.10

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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.