Home / 1,730.90-2,388.36-1,068.02

Finding the Fourth Proportional to 1,730.90, 2,388.36 and 1,068.02

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Solution

The fourth proportional to 1,730.90, 2,388.36 and 1,068.02 is: 1,473.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,730.90 : 2,388.36 = 1,068.02 : x
  2. Step 2: Convert to fraction form
    1,730.90/2,388.36 = 1,068.02/x
  3. Step 3: Cross multiply
    1,730.90x = 2,388.36 × 1,068.02
  4. Step 4: Simplify right side
    1,730.90x = 2,550,816.25
  5. Step 5: Solve for x
    x = 2,550,816.25/1,730.90
  6. Step 6: Final answer
    x = 1,473.69

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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.