Home / 1,626.09-2,243.85-962.85

Finding the Fourth Proportional to 1,626.09, 2,243.85 and 962.85

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Solution

The fourth proportional to 1,626.09, 2,243.85 and 962.85 is: 1,328.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,626.09 : 2,243.85 = 962.85 : x
  2. Step 2: Convert to fraction form
    1,626.09/2,243.85 = 962.85/x
  3. Step 3: Cross multiply
    1,626.09x = 2,243.85 × 962.85
  4. Step 4: Simplify right side
    1,626.09x = 2,160,490.97
  5. Step 5: Solve for x
    x = 2,160,490.97/1,626.09
  6. Step 6: Final answer
    x = 1,328.64

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1.5x scale

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.