Home / 1,683.44-2,313.78-1,485.76

Finding the Fourth Proportional to 1,683.44, 2,313.78 and 1,485.76

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Solution

The fourth proportional to 1,683.44, 2,313.78 and 1,485.76 is: 2,042.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,683.44 : 2,313.78 = 1,485.76 : x
  2. Step 2: Convert to fraction form
    1,683.44/2,313.78 = 1,485.76/x
  3. Step 3: Cross multiply
    1,683.44x = 2,313.78 × 1,485.76
  4. Step 4: Simplify right side
    1,683.44x = 3,437,721.77
  5. Step 5: Solve for x
    x = 3,437,721.77/1,683.44
  6. Step 6: Final answer
    x = 2,042.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.