Home / 2,460.21-3,395.40-1,412.25

Finding the Fourth Proportional to 2,460.21, 3,395.40 and 1,412.25

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Solution

The fourth proportional to 2,460.21, 3,395.40 and 1,412.25 is: 1,949.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,460.21 : 3,395.40 = 1,412.25 : x
  2. Step 2: Convert to fraction form
    2,460.21/3,395.40 = 1,412.25/x
  3. Step 3: Cross multiply
    2,460.21x = 3,395.40 × 1,412.25
  4. Step 4: Simplify right side
    2,460.21x = 4,795,153.65
  5. Step 5: Solve for x
    x = 4,795,153.65/2,460.21
  6. Step 6: Final answer
    x = 1,949.08

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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.