Home / 2,322.51-3,206.57-1,439.25

Finding the Fourth Proportional to 2,322.51, 3,206.57 and 1,439.25

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Solution

The fourth proportional to 2,322.51, 3,206.57 and 1,439.25 is: 1,987.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,322.51 : 3,206.57 = 1,439.25 : x
  2. Step 2: Convert to fraction form
    2,322.51/3,206.57 = 1,439.25/x
  3. Step 3: Cross multiply
    2,322.51x = 3,206.57 × 1,439.25
  4. Step 4: Simplify right side
    2,322.51x = 4,615,048.68
  5. Step 5: Solve for x
    x = 4,615,048.68/2,322.51
  6. Step 6: Final answer
    x = 1,987.10

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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.