Home / 2,458.40-3,389.01-1,867.91

Finding the Fourth Proportional to 2,458.40, 3,389.01 and 1,867.91

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Solution

The fourth proportional to 2,458.40, 3,389.01 and 1,867.91 is: 2,574.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,458.40 : 3,389.01 = 1,867.91 : x
  2. Step 2: Convert to fraction form
    2,458.40/3,389.01 = 1,867.91/x
  3. Step 3: Cross multiply
    2,458.40x = 3,389.01 × 1,867.91
  4. Step 4: Simplify right side
    2,458.40x = 6,330,365.67
  5. Step 5: Solve for x
    x = 6,330,365.67/2,458.40
  6. Step 6: Final answer
    x = 2,574.99

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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.