Home / 1,730.12-2,386.24-1,100.75

Finding the Fourth Proportional to 1,730.12, 2,386.24 and 1,100.75

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Solution

The fourth proportional to 1,730.12, 2,386.24 and 1,100.75 is: 1,518.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,730.12 : 2,386.24 = 1,100.75 : x
  2. Step 2: Convert to fraction form
    1,730.12/2,386.24 = 1,100.75/x
  3. Step 3: Cross multiply
    1,730.12x = 2,386.24 × 1,100.75
  4. Step 4: Simplify right side
    1,730.12x = 2,626,639.00
  5. Step 5: Solve for x
    x = 2,626,639.00/1,730.12
  6. Step 6: Final answer
    x = 1,518.19

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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.