Home / 2,887.34-4,330.53-1,038.08

Finding the Fourth Proportional to 2,887.34, 4,330.53 and 1,038.08

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Solution

The fourth proportional to 2,887.34, 4,330.53 and 1,038.08 is: 1,556.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,887.34 : 4,330.53 = 1,038.08 : x
  2. Step 2: Convert to fraction form
    2,887.34/4,330.53 = 1,038.08/x
  3. Step 3: Cross multiply
    2,887.34x = 4,330.53 × 1,038.08
  4. Step 4: Simplify right side
    2,887.34x = 4,495,436.58
  5. Step 5: Solve for x
    x = 4,495,436.58/2,887.34
  6. Step 6: Final answer
    x = 1,556.95

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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.