Home / 1,485.33-2,048.67-1,298.46

Finding the Fourth Proportional to 1,485.33, 2,048.67 and 1,298.46

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Solution

The fourth proportional to 1,485.33, 2,048.67 and 1,298.46 is: 1,790.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,485.33 : 2,048.67 = 1,298.46 : x
  2. Step 2: Convert to fraction form
    1,485.33/2,048.67 = 1,298.46/x
  3. Step 3: Cross multiply
    1,485.33x = 2,048.67 × 1,298.46
  4. Step 4: Simplify right side
    1,485.33x = 2,660,116.05
  5. Step 5: Solve for x
    x = 2,660,116.05/1,485.33
  6. Step 6: Final answer
    x = 1,790.93

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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.