Home / 1,607.34-2,217.74-935.18

Finding the Fourth Proportional to 1,607.34, 2,217.74 and 935.18

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Solution

The fourth proportional to 1,607.34, 2,217.74 and 935.18 is: 1,290.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,607.34 : 2,217.74 = 935.18 : x
  2. Step 2: Convert to fraction form
    1,607.34/2,217.74 = 935.18/x
  3. Step 3: Cross multiply
    1,607.34x = 2,217.74 × 935.18
  4. Step 4: Simplify right side
    1,607.34x = 2,073,970.33
  5. Step 5: Solve for x
    x = 2,073,970.33/1,607.34
  6. Step 6: Final answer
    x = 1,290.31

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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.