Home / 2,887.09-4,330.64-1,156.93

Finding the Fourth Proportional to 2,887.09, 4,330.64 and 1,156.93

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Solution

The fourth proportional to 2,887.09, 4,330.64 and 1,156.93 is: 1,735.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,887.09 : 4,330.64 = 1,156.93 : x
  2. Step 2: Convert to fraction form
    2,887.09/4,330.64 = 1,156.93/x
  3. Step 3: Cross multiply
    2,887.09x = 4,330.64 × 1,156.93
  4. Step 4: Simplify right side
    2,887.09x = 5,010,247.34
  5. Step 5: Solve for x
    x = 5,010,247.34/2,887.09
  6. Step 6: Final answer
    x = 1,735.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.