Home / 2,887.37-4,328.45-1,038.05

Finding the Fourth Proportional to 2,887.37, 4,328.45 and 1,038.05

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Solution

The fourth proportional to 2,887.37, 4,328.45 and 1,038.05 is: 1,556.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,887.37 : 4,328.45 = 1,038.05 : x
  2. Step 2: Convert to fraction form
    2,887.37/4,328.45 = 1,038.05/x
  3. Step 3: Cross multiply
    2,887.37x = 4,328.45 × 1,038.05
  4. Step 4: Simplify right side
    2,887.37x = 4,493,120.69
  5. Step 5: Solve for x
    x = 4,493,120.69/2,887.37
  6. Step 6: Final answer
    x = 1,556.13

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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.