Home / 1,599.35-2,206.74-935.89

Finding the Fourth Proportional to 1,599.35, 2,206.74 and 935.89

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Solution

The fourth proportional to 1,599.35, 2,206.74 and 935.89 is: 1,291.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,599.35 : 2,206.74 = 935.89 : x
  2. Step 2: Convert to fraction form
    1,599.35/2,206.74 = 935.89/x
  3. Step 3: Cross multiply
    1,599.35x = 2,206.74 × 935.89
  4. Step 4: Simplify right side
    1,599.35x = 2,065,263.89
  5. Step 5: Solve for x
    x = 2,065,263.89/1,599.35
  6. Step 6: Final answer
    x = 1,291.32

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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.