Home / 2,328.58-3,213.46-1,266.36

Finding the Fourth Proportional to 2,328.58, 3,213.46 and 1,266.36

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Solution

The fourth proportional to 2,328.58, 3,213.46 and 1,266.36 is: 1,747.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,328.58 : 3,213.46 = 1,266.36 : x
  2. Step 2: Convert to fraction form
    2,328.58/3,213.46 = 1,266.36/x
  3. Step 3: Cross multiply
    2,328.58x = 3,213.46 × 1,266.36
  4. Step 4: Simplify right side
    2,328.58x = 4,069,374.81
  5. Step 5: Solve for x
    x = 4,069,374.81/2,328.58
  6. Step 6: Final answer
    x = 1,747.58

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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.