Home / 1,661.34-2,292.28-962.31

Finding the Fourth Proportional to 1,661.34, 2,292.28 and 962.31

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Solution

The fourth proportional to 1,661.34, 2,292.28 and 962.31 is: 1,327.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,661.34 : 2,292.28 = 962.31 : x
  2. Step 2: Convert to fraction form
    1,661.34/2,292.28 = 962.31/x
  3. Step 3: Cross multiply
    1,661.34x = 2,292.28 × 962.31
  4. Step 4: Simplify right side
    1,661.34x = 2,205,883.97
  5. Step 5: Solve for x
    x = 2,205,883.97/1,661.34
  6. Step 6: Final answer
    x = 1,327.77

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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.