Home / 1,708.09-2,356.48-1,043.79

Finding the Fourth Proportional to 1,708.09, 2,356.48 and 1,043.79

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Solution

The fourth proportional to 1,708.09, 2,356.48 and 1,043.79 is: 1,440.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,708.09 : 2,356.48 = 1,043.79 : x
  2. Step 2: Convert to fraction form
    1,708.09/2,356.48 = 1,043.79/x
  3. Step 3: Cross multiply
    1,708.09x = 2,356.48 × 1,043.79
  4. Step 4: Simplify right side
    1,708.09x = 2,459,675.98
  5. Step 5: Solve for x
    x = 2,459,675.98/1,708.09
  6. Step 6: Final answer
    x = 1,440.01

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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.