Home / 4,038.78-5,572.89-2,270.07

Finding the Fourth Proportional to 4,038.78, 5,572.89 and 2,270.07

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Solution

The fourth proportional to 4,038.78, 5,572.89 and 2,270.07 is: 3,132.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,038.78 : 5,572.89 = 2,270.07 : x
  2. Step 2: Convert to fraction form
    4,038.78/5,572.89 = 2,270.07/x
  3. Step 3: Cross multiply
    4,038.78x = 5,572.89 × 2,270.07
  4. Step 4: Simplify right side
    4,038.78x = 12,650,850.40
  5. Step 5: Solve for x
    x = 12,650,850.40/4,038.78
  6. Step 6: Final answer
    x = 3,132.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.