Home / 3,146.29-4,341.22-1,887.01

Finding the Fourth Proportional to 3,146.29, 4,341.22 and 1,887.01

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Solution

The fourth proportional to 3,146.29, 4,341.22 and 1,887.01 is: 2,603.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,146.29 : 4,341.22 = 1,887.01 : x
  2. Step 2: Convert to fraction form
    3,146.29/4,341.22 = 1,887.01/x
  3. Step 3: Cross multiply
    3,146.29x = 4,341.22 × 1,887.01
  4. Step 4: Simplify right side
    3,146.29x = 8,191,909.98
  5. Step 5: Solve for x
    x = 8,191,909.98/3,146.29
  6. Step 6: Final answer
    x = 2,603.67

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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.