Home / 1,730.98-2,388.77-945.10

Finding the Fourth Proportional to 1,730.98, 2,388.77 and 945.10

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Solution

The fourth proportional to 1,730.98, 2,388.77 and 945.10 is: 1,304.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,730.98 : 2,388.77 = 945.10 : x
  2. Step 2: Convert to fraction form
    1,730.98/2,388.77 = 945.10/x
  3. Step 3: Cross multiply
    1,730.98x = 2,388.77 × 945.10
  4. Step 4: Simplify right side
    1,730.98x = 2,257,626.53
  5. Step 5: Solve for x
    x = 2,257,626.53/1,730.98
  6. Step 6: Final answer
    x = 1,304.25

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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.