Home / 1,901.21-2,623.62-1,061.87

Finding the Fourth Proportional to 1,901.21, 2,623.62 and 1,061.87

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Solution

The fourth proportional to 1,901.21, 2,623.62 and 1,061.87 is: 1,465.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,901.21 : 2,623.62 = 1,061.87 : x
  2. Step 2: Convert to fraction form
    1,901.21/2,623.62 = 1,061.87/x
  3. Step 3: Cross multiply
    1,901.21x = 2,623.62 × 1,061.87
  4. Step 4: Simplify right side
    1,901.21x = 2,785,943.37
  5. Step 5: Solve for x
    x = 2,785,943.37/1,901.21
  6. Step 6: Final answer
    x = 1,465.35

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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.