Home / 1,869.35-2,802.38-1,048.82

Finding the Fourth Proportional to 1,869.35, 2,802.38 and 1,048.82

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Solution

The fourth proportional to 1,869.35, 2,802.38 and 1,048.82 is: 1,572.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,869.35 : 2,802.38 = 1,048.82 : x
  2. Step 2: Convert to fraction form
    1,869.35/2,802.38 = 1,048.82/x
  3. Step 3: Cross multiply
    1,869.35x = 2,802.38 × 1,048.82
  4. Step 4: Simplify right side
    1,869.35x = 2,939,172.94
  5. Step 5: Solve for x
    x = 2,939,172.94/1,869.35
  6. Step 6: Final answer
    x = 1,572.30

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.