Home / 1,730.43-2,389.23-1,068.18

Finding the Fourth Proportional to 1,730.43, 2,389.23 and 1,068.18

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Solution

The fourth proportional to 1,730.43, 2,389.23 and 1,068.18 is: 1,474.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,730.43 : 2,389.23 = 1,068.18 : x
  2. Step 2: Convert to fraction form
    1,730.43/2,389.23 = 1,068.18/x
  3. Step 3: Cross multiply
    1,730.43x = 2,389.23 × 1,068.18
  4. Step 4: Simplify right side
    1,730.43x = 2,552,127.70
  5. Step 5: Solve for x
    x = 2,552,127.70/1,730.43
  6. Step 6: Final answer
    x = 1,474.85

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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.