Home / 1,730.40-2,386.46-1,100.22

Finding the Fourth Proportional to 1,730.40, 2,386.46 and 1,100.22

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Solution

The fourth proportional to 1,730.40, 2,386.46 and 1,100.22 is: 1,517.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,730.40 : 2,386.46 = 1,100.22 : x
  2. Step 2: Convert to fraction form
    1,730.40/2,386.46 = 1,100.22/x
  3. Step 3: Cross multiply
    1,730.40x = 2,386.46 × 1,100.22
  4. Step 4: Simplify right side
    1,730.40x = 2,625,624.82
  5. Step 5: Solve for x
    x = 2,625,624.82/1,730.40
  6. Step 6: Final answer
    x = 1,517.35

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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.