Home / 2,390.14-3,298.60-1,395.74

Finding the Fourth Proportional to 2,390.14, 3,298.60 and 1,395.74

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Solution

The fourth proportional to 2,390.14, 3,298.60 and 1,395.74 is: 1,926.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,390.14 : 3,298.60 = 1,395.74 : x
  2. Step 2: Convert to fraction form
    2,390.14/3,298.60 = 1,395.74/x
  3. Step 3: Cross multiply
    2,390.14x = 3,298.60 × 1,395.74
  4. Step 4: Simplify right side
    2,390.14x = 4,603,987.96
  5. Step 5: Solve for x
    x = 4,603,987.96/2,390.14
  6. Step 6: Final answer
    x = 1,926.24

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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.