Home / 1,706.09-2,355.95-1,285.72

Finding the Fourth Proportional to 1,706.09, 2,355.95 and 1,285.72

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Solution

The fourth proportional to 1,706.09, 2,355.95 and 1,285.72 is: 1,775.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,706.09 : 2,355.95 = 1,285.72 : x
  2. Step 2: Convert to fraction form
    1,706.09/2,355.95 = 1,285.72/x
  3. Step 3: Cross multiply
    1,706.09x = 2,355.95 × 1,285.72
  4. Step 4: Simplify right side
    1,706.09x = 3,029,089.36
  5. Step 5: Solve for x
    x = 3,029,089.36/1,706.09
  6. Step 6: Final answer
    x = 1,775.46

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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.