Home / 1,708.32-2,357.59-962.21

Finding the Fourth Proportional to 1,708.32, 2,357.59 and 962.21

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Solution

The fourth proportional to 1,708.32, 2,357.59 and 962.21 is: 1,327.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,708.32 : 2,357.59 = 962.21 : x
  2. Step 2: Convert to fraction form
    1,708.32/2,357.59 = 962.21/x
  3. Step 3: Cross multiply
    1,708.32x = 2,357.59 × 962.21
  4. Step 4: Simplify right side
    1,708.32x = 2,268,496.67
  5. Step 5: Solve for x
    x = 2,268,496.67/1,708.32
  6. Step 6: Final answer
    x = 1,327.91

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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.