Home / 1,903.81-2,626.66-1,064.40

Finding the Fourth Proportional to 1,903.81, 2,626.66 and 1,064.40

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Solution

The fourth proportional to 1,903.81, 2,626.66 and 1,064.40 is: 1,468.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,903.81 : 2,626.66 = 1,064.40 : x
  2. Step 2: Convert to fraction form
    1,903.81/2,626.66 = 1,064.40/x
  3. Step 3: Cross multiply
    1,903.81x = 2,626.66 × 1,064.40
  4. Step 4: Simplify right side
    1,903.81x = 2,795,816.90
  5. Step 5: Solve for x
    x = 2,795,816.90/1,903.81
  6. Step 6: Final answer
    x = 1,468.54

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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.