Home / 1,768.13-2,438.81-1,059.48

Finding the Fourth Proportional to 1,768.13, 2,438.81 and 1,059.48

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Solution

The fourth proportional to 1,768.13, 2,438.81 and 1,059.48 is: 1,461.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,768.13 : 2,438.81 = 1,059.48 : x
  2. Step 2: Convert to fraction form
    1,768.13/2,438.81 = 1,059.48/x
  3. Step 3: Cross multiply
    1,768.13x = 2,438.81 × 1,059.48
  4. Step 4: Simplify right side
    1,768.13x = 2,583,869.09
  5. Step 5: Solve for x
    x = 2,583,869.09/1,768.13
  6. Step 6: Final answer
    x = 1,461.36

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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.