Home / 2,228.04-3,075.36-1,442.14

Finding the Fourth Proportional to 2,228.04, 3,075.36 and 1,442.14

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Solution

The fourth proportional to 2,228.04, 3,075.36 and 1,442.14 is: 1,990.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,228.04 : 3,075.36 = 1,442.14 : x
  2. Step 2: Convert to fraction form
    2,228.04/3,075.36 = 1,442.14/x
  3. Step 3: Cross multiply
    2,228.04x = 3,075.36 × 1,442.14
  4. Step 4: Simplify right side
    2,228.04x = 4,435,077.08
  5. Step 5: Solve for x
    x = 4,435,077.08/2,228.04
  6. Step 6: Final answer
    x = 1,990.58

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1.5x scale

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.