Home / 1,455.26-2,003.88-1,303.55

Finding the Fourth Proportional to 1,455.26, 2,003.88 and 1,303.55

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Solution

The fourth proportional to 1,455.26, 2,003.88 and 1,303.55 is: 1,794.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,455.26 : 2,003.88 = 1,303.55 : x
  2. Step 2: Convert to fraction form
    1,455.26/2,003.88 = 1,303.55/x
  3. Step 3: Cross multiply
    1,455.26x = 2,003.88 × 1,303.55
  4. Step 4: Simplify right side
    1,455.26x = 2,612,157.77
  5. Step 5: Solve for x
    x = 2,612,157.77/1,455.26
  6. Step 6: Final answer
    x = 1,794.98

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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.