Home / 1,401.67-2,110.70-1,039.02

Finding the Fourth Proportional to 1,401.67, 2,110.70 and 1,039.02

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Solution

The fourth proportional to 1,401.67, 2,110.70 and 1,039.02 is: 1,564.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,401.67 : 2,110.70 = 1,039.02 : x
  2. Step 2: Convert to fraction form
    1,401.67/2,110.70 = 1,039.02/x
  3. Step 3: Cross multiply
    1,401.67x = 2,110.70 × 1,039.02
  4. Step 4: Simplify right side
    1,401.67x = 2,193,059.51
  5. Step 5: Solve for x
    x = 2,193,059.51/1,401.67
  6. Step 6: Final answer
    x = 1,564.60

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.