Home / 1,901.81-2,623.91-1,062.40

Finding the Fourth Proportional to 1,901.81, 2,623.91 and 1,062.40

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Solution

The fourth proportional to 1,901.81, 2,623.91 and 1,062.40 is: 1,465.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,901.81 : 2,623.91 = 1,062.40 : x
  2. Step 2: Convert to fraction form
    1,901.81/2,623.91 = 1,062.40/x
  3. Step 3: Cross multiply
    1,901.81x = 2,623.91 × 1,062.40
  4. Step 4: Simplify right side
    1,901.81x = 2,787,641.98
  5. Step 5: Solve for x
    x = 2,787,641.98/1,901.81
  6. Step 6: Final answer
    x = 1,465.79

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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.