Home / 2,300.40-3,450.65-914.39

Finding the Fourth Proportional to 2,300.40, 3,450.65 and 914.39

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Solution

The fourth proportional to 2,300.40, 3,450.65 and 914.39 is: 1,371.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,300.40 : 3,450.65 = 914.39 : x
  2. Step 2: Convert to fraction form
    2,300.40/3,450.65 = 914.39/x
  3. Step 3: Cross multiply
    2,300.40x = 3,450.65 × 914.39
  4. Step 4: Simplify right side
    2,300.40x = 3,155,239.85
  5. Step 5: Solve for x
    x = 3,155,239.85/2,300.40
  6. Step 6: Final answer
    x = 1,371.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.