Home / 1,664.40-2,297.61-1,075.22

Finding the Fourth Proportional to 1,664.40, 2,297.61 and 1,075.22

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Solution

The fourth proportional to 1,664.40, 2,297.61 and 1,075.22 is: 1,484.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,664.40 : 2,297.61 = 1,075.22 : x
  2. Step 2: Convert to fraction form
    1,664.40/2,297.61 = 1,075.22/x
  3. Step 3: Cross multiply
    1,664.40x = 2,297.61 × 1,075.22
  4. Step 4: Simplify right side
    1,664.40x = 2,470,441.97
  5. Step 5: Solve for x
    x = 2,470,441.97/1,664.40
  6. Step 6: Final answer
    x = 1,484.28

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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.