Home / 1,509.21-2,252.36-1,470.33

Finding the Fourth Proportional to 1,509.21, 2,252.36 and 1,470.33

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Solution

The fourth proportional to 1,509.21, 2,252.36 and 1,470.33 is: 2,194.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,509.21 : 2,252.36 = 1,470.33 : x
  2. Step 2: Convert to fraction form
    1,509.21/2,252.36 = 1,470.33/x
  3. Step 3: Cross multiply
    1,509.21x = 2,252.36 × 1,470.33
  4. Step 4: Simplify right side
    1,509.21x = 3,311,705.13
  5. Step 5: Solve for x
    x = 3,311,705.13/1,509.21
  6. Step 6: Final answer
    x = 2,194.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.