Home / 1,943.03-2,683.56-1,312.46

Finding the Fourth Proportional to 1,943.03, 2,683.56 and 1,312.46

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Solution

The fourth proportional to 1,943.03, 2,683.56 and 1,312.46 is: 1,812.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,943.03 : 2,683.56 = 1,312.46 : x
  2. Step 2: Convert to fraction form
    1,943.03/2,683.56 = 1,312.46/x
  3. Step 3: Cross multiply
    1,943.03x = 2,683.56 × 1,312.46
  4. Step 4: Simplify right side
    1,943.03x = 3,522,065.16
  5. Step 5: Solve for x
    x = 3,522,065.16/1,943.03
  6. Step 6: Final answer
    x = 1,812.67

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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.