Home / 1,775.03-2,448.58-1,111.76

Finding the Fourth Proportional to 1,775.03, 2,448.58 and 1,111.76

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Solution

The fourth proportional to 1,775.03, 2,448.58 and 1,111.76 is: 1,533.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,775.03 : 2,448.58 = 1,111.76 : x
  2. Step 2: Convert to fraction form
    1,775.03/2,448.58 = 1,111.76/x
  3. Step 3: Cross multiply
    1,775.03x = 2,448.58 × 1,111.76
  4. Step 4: Simplify right side
    1,775.03x = 2,722,215.50
  5. Step 5: Solve for x
    x = 2,722,215.50/1,775.03
  6. Step 6: Final answer
    x = 1,533.62

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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.