Home / 2,457.19-3,390.76-1,394.67

Finding the Fourth Proportional to 2,457.19, 3,390.76 and 1,394.67

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Solution

The fourth proportional to 2,457.19, 3,390.76 and 1,394.67 is: 1,924.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,457.19 : 3,390.76 = 1,394.67 : x
  2. Step 2: Convert to fraction form
    2,457.19/3,390.76 = 1,394.67/x
  3. Step 3: Cross multiply
    2,457.19x = 3,390.76 × 1,394.67
  4. Step 4: Simplify right side
    2,457.19x = 4,728,986.63
  5. Step 5: Solve for x
    x = 4,728,986.63/2,457.19
  6. Step 6: Final answer
    x = 1,924.55

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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.