Home / 1,628.23-2,247.26-929.60

Finding the Fourth Proportional to 1,628.23, 2,247.26 and 929.60

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Solution

The fourth proportional to 1,628.23, 2,247.26 and 929.60 is: 1,283.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,628.23 : 2,247.26 = 929.60 : x
  2. Step 2: Convert to fraction form
    1,628.23/2,247.26 = 929.60/x
  3. Step 3: Cross multiply
    1,628.23x = 2,247.26 × 929.60
  4. Step 4: Simplify right side
    1,628.23x = 2,089,053.07
  5. Step 5: Solve for x
    x = 2,089,053.07/1,628.23
  6. Step 6: Final answer
    x = 1,283.02

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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.