Home / 1,962.77-2,708.75-1,373.50

Finding the Fourth Proportional to 1,962.77, 2,708.75 and 1,373.50

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Solution

The fourth proportional to 1,962.77, 2,708.75 and 1,373.50 is: 1,895.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,962.77 : 2,708.75 = 1,373.50 : x
  2. Step 2: Convert to fraction form
    1,962.77/2,708.75 = 1,373.50/x
  3. Step 3: Cross multiply
    1,962.77x = 2,708.75 × 1,373.50
  4. Step 4: Simplify right side
    1,962.77x = 3,720,447.71
  5. Step 5: Solve for x
    x = 3,720,447.71/1,962.77
  6. Step 6: Final answer
    x = 1,895.51

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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.