Home / 2,887.52-4,330.02-1,038.56

Finding the Fourth Proportional to 2,887.52, 4,330.02 and 1,038.56

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Solution

The fourth proportional to 2,887.52, 4,330.02 and 1,038.56 is: 1,557.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,887.52 : 4,330.02 = 1,038.56 : x
  2. Step 2: Convert to fraction form
    2,887.52/4,330.02 = 1,038.56/x
  3. Step 3: Cross multiply
    2,887.52x = 4,330.02 × 1,038.56
  4. Step 4: Simplify right side
    2,887.52x = 4,496,985.57
  5. Step 5: Solve for x
    x = 4,496,985.57/2,887.52
  6. Step 6: Final answer
    x = 1,557.39

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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.