Home / 1,448.04-2,172.33-474.18

Finding the Fourth Proportional to 1,448.04, 2,172.33 and 474.18

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Solution

The fourth proportional to 1,448.04, 2,172.33 and 474.18 is: 711.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,448.04 : 2,172.33 = 474.18 : x
  2. Step 2: Convert to fraction form
    1,448.04/2,172.33 = 474.18/x
  3. Step 3: Cross multiply
    1,448.04x = 2,172.33 × 474.18
  4. Step 4: Simplify right side
    1,448.04x = 1,030,075.44
  5. Step 5: Solve for x
    x = 1,030,075.44/1,448.04
  6. Step 6: Final answer
    x = 711.36

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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.