Home / 2,887.18-4,330.34-1,038.04

Finding the Fourth Proportional to 2,887.18, 4,330.34 and 1,038.04

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Solution

The fourth proportional to 2,887.18, 4,330.34 and 1,038.04 is: 1,556.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,887.18 : 4,330.34 = 1,038.04 : x
  2. Step 2: Convert to fraction form
    2,887.18/4,330.34 = 1,038.04/x
  3. Step 3: Cross multiply
    2,887.18x = 4,330.34 × 1,038.04
  4. Step 4: Simplify right side
    2,887.18x = 4,495,066.13
  5. Step 5: Solve for x
    x = 4,495,066.13/2,887.18
  6. Step 6: Final answer
    x = 1,556.91

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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.