Home / 1,740.40-2,399.74-1,181.23

Finding the Fourth Proportional to 1,740.40, 2,399.74 and 1,181.23

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Solution

The fourth proportional to 1,740.40, 2,399.74 and 1,181.23 is: 1,628.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,740.40 : 2,399.74 = 1,181.23 : x
  2. Step 2: Convert to fraction form
    1,740.40/2,399.74 = 1,181.23/x
  3. Step 3: Cross multiply
    1,740.40x = 2,399.74 × 1,181.23
  4. Step 4: Simplify right side
    1,740.40x = 2,834,656.07
  5. Step 5: Solve for x
    x = 2,834,656.07/1,740.40
  6. Step 6: Final answer
    x = 1,628.74

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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.