Home / 1,802.09-2,488.03-1,471.30

Finding the Fourth Proportional to 1,802.09, 2,488.03 and 1,471.30

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Solution

The fourth proportional to 1,802.09, 2,488.03 and 1,471.30 is: 2,031.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,802.09 : 2,488.03 = 1,471.30 : x
  2. Step 2: Convert to fraction form
    1,802.09/2,488.03 = 1,471.30/x
  3. Step 3: Cross multiply
    1,802.09x = 2,488.03 × 1,471.30
  4. Step 4: Simplify right side
    1,802.09x = 3,660,638.54
  5. Step 5: Solve for x
    x = 3,660,638.54/1,802.09
  6. Step 6: Final answer
    x = 2,031.33

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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.