Home / 1,764.60-2,435.13-1,018.55

Finding the Fourth Proportional to 1,764.60, 2,435.13 and 1,018.55

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Solution

The fourth proportional to 1,764.60, 2,435.13 and 1,018.55 is: 1,405.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,764.60 : 2,435.13 = 1,018.55 : x
  2. Step 2: Convert to fraction form
    1,764.60/2,435.13 = 1,018.55/x
  3. Step 3: Cross multiply
    1,764.60x = 2,435.13 × 1,018.55
  4. Step 4: Simplify right side
    1,764.60x = 2,480,301.66
  5. Step 5: Solve for x
    x = 2,480,301.66/1,764.60
  6. Step 6: Final answer
    x = 1,405.59

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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.