Home / 3,148.90-4,723.58-1,068.06

Finding the Fourth Proportional to 3,148.90, 4,723.58 and 1,068.06

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Solution

The fourth proportional to 3,148.90, 4,723.58 and 1,068.06 is: 1,602.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,148.90 : 4,723.58 = 1,068.06 : x
  2. Step 2: Convert to fraction form
    3,148.90/4,723.58 = 1,068.06/x
  3. Step 3: Cross multiply
    3,148.90x = 4,723.58 × 1,068.06
  4. Step 4: Simplify right side
    3,148.90x = 5,045,069.45
  5. Step 5: Solve for x
    x = 5,045,069.45/3,148.90
  6. Step 6: Final answer
    x = 1,602.17

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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.