Home / 3,036.78-4,554.45-1,392.30

Finding the Fourth Proportional to 3,036.78, 4,554.45 and 1,392.30

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Solution

The fourth proportional to 3,036.78, 4,554.45 and 1,392.30 is: 2,088.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,036.78 : 4,554.45 = 1,392.30 : x
  2. Step 2: Convert to fraction form
    3,036.78/4,554.45 = 1,392.30/x
  3. Step 3: Cross multiply
    3,036.78x = 4,554.45 × 1,392.30
  4. Step 4: Simplify right side
    3,036.78x = 6,341,160.74
  5. Step 5: Solve for x
    x = 6,341,160.74/3,036.78
  6. Step 6: Final answer
    x = 2,088.12

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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.