Home / 1,599.10-2,206.90-935.91

Finding the Fourth Proportional to 1,599.10, 2,206.90 and 935.91

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Solution

The fourth proportional to 1,599.10, 2,206.90 and 935.91 is: 1,291.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,599.10 : 2,206.90 = 935.91 : x
  2. Step 2: Convert to fraction form
    1,599.10/2,206.90 = 935.91/x
  3. Step 3: Cross multiply
    1,599.10x = 2,206.90 × 935.91
  4. Step 4: Simplify right side
    1,599.10x = 2,065,459.78
  5. Step 5: Solve for x
    x = 2,065,459.78/1,599.10
  6. Step 6: Final answer
    x = 1,291.64

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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.