Home / 2,386.63-3,289.76-1,881.67

Finding the Fourth Proportional to 2,386.63, 3,289.76 and 1,881.67

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Solution

The fourth proportional to 2,386.63, 3,289.76 and 1,881.67 is: 2,593.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,386.63 : 3,289.76 = 1,881.67 : x
  2. Step 2: Convert to fraction form
    2,386.63/3,289.76 = 1,881.67/x
  3. Step 3: Cross multiply
    2,386.63x = 3,289.76 × 1,881.67
  4. Step 4: Simplify right side
    2,386.63x = 6,190,242.70
  5. Step 5: Solve for x
    x = 6,190,242.70/2,386.63
  6. Step 6: Final answer
    x = 2,593.72

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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.