Home / 1,708.35-2,558.42-975.71

Finding the Fourth Proportional to 1,708.35, 2,558.42 and 975.71

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Solution

The fourth proportional to 1,708.35, 2,558.42 and 975.71 is: 1,461.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,708.35 : 2,558.42 = 975.71 : x
  2. Step 2: Convert to fraction form
    1,708.35/2,558.42 = 975.71/x
  3. Step 3: Cross multiply
    1,708.35x = 2,558.42 × 975.71
  4. Step 4: Simplify right side
    1,708.35x = 2,496,258.31
  5. Step 5: Solve for x
    x = 2,496,258.31/1,708.35
  6. Step 6: Final answer
    x = 1,461.21

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.