Home / 1,708.53-2,356.40-1,148.63

Finding the Fourth Proportional to 1,708.53, 2,356.40 and 1,148.63

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Solution

The fourth proportional to 1,708.53, 2,356.40 and 1,148.63 is: 1,584.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,708.53 : 2,356.40 = 1,148.63 : x
  2. Step 2: Convert to fraction form
    1,708.53/2,356.40 = 1,148.63/x
  3. Step 3: Cross multiply
    1,708.53x = 2,356.40 × 1,148.63
  4. Step 4: Simplify right side
    1,708.53x = 2,706,614.21
  5. Step 5: Solve for x
    x = 2,706,614.21/1,708.53
  6. Step 6: Final answer
    x = 1,584.18

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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.