Home / 2,390.14-3,298.80-1,506.22

Finding the Fourth Proportional to 2,390.14, 3,298.80 and 1,506.22

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Solution

The fourth proportional to 2,390.14, 3,298.80 and 1,506.22 is: 2,078.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,390.14 : 3,298.80 = 1,506.22 : x
  2. Step 2: Convert to fraction form
    2,390.14/3,298.80 = 1,506.22/x
  3. Step 3: Cross multiply
    2,390.14x = 3,298.80 × 1,506.22
  4. Step 4: Simplify right side
    2,390.14x = 4,968,718.54
  5. Step 5: Solve for x
    x = 4,968,718.54/2,390.14
  6. Step 6: Final answer
    x = 2,078.84

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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.