Home / 1,706.07-2,355.21-1,077.51

Finding the Fourth Proportional to 1,706.07, 2,355.21 and 1,077.51

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Solution

The fourth proportional to 1,706.07, 2,355.21 and 1,077.51 is: 1,487.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,706.07 : 2,355.21 = 1,077.51 : x
  2. Step 2: Convert to fraction form
    1,706.07/2,355.21 = 1,077.51/x
  3. Step 3: Cross multiply
    1,706.07x = 2,355.21 × 1,077.51
  4. Step 4: Simplify right side
    1,706.07x = 2,537,762.33
  5. Step 5: Solve for x
    x = 2,537,762.33/1,706.07
  6. Step 6: Final answer
    x = 1,487.49

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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.