Home / 1,707.21-2,355.96-1,043.96

Finding the Fourth Proportional to 1,707.21, 2,355.96 and 1,043.96

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Solution

The fourth proportional to 1,707.21, 2,355.96 and 1,043.96 is: 1,440.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,707.21 : 2,355.96 = 1,043.96 : x
  2. Step 2: Convert to fraction form
    1,707.21/2,355.96 = 1,043.96/x
  3. Step 3: Cross multiply
    1,707.21x = 2,355.96 × 1,043.96
  4. Step 4: Simplify right side
    1,707.21x = 2,459,516.22
  5. Step 5: Solve for x
    x = 2,459,516.22/1,707.21
  6. Step 6: Final answer
    x = 1,440.66

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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.