Home / 2,419.14-3,340.31-1,858.74

Finding the Fourth Proportional to 2,419.14, 3,340.31 and 1,858.74

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Solution

The fourth proportional to 2,419.14, 3,340.31 and 1,858.74 is: 2,566.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,419.14 : 3,340.31 = 1,858.74 : x
  2. Step 2: Convert to fraction form
    2,419.14/3,340.31 = 1,858.74/x
  3. Step 3: Cross multiply
    2,419.14x = 3,340.31 × 1,858.74
  4. Step 4: Simplify right side
    2,419.14x = 6,208,767.81
  5. Step 5: Solve for x
    x = 6,208,767.81/2,419.14
  6. Step 6: Final answer
    x = 2,566.52

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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.