Home / 4,038.78-5,573.49-2,270.40

Finding the Fourth Proportional to 4,038.78, 5,573.49 and 2,270.40

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Solution

The fourth proportional to 4,038.78, 5,573.49 and 2,270.40 is: 3,133.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,038.78 : 5,573.49 = 2,270.40 : x
  2. Step 2: Convert to fraction form
    4,038.78/5,573.49 = 2,270.40/x
  3. Step 3: Cross multiply
    4,038.78x = 5,573.49 × 2,270.40
  4. Step 4: Simplify right side
    4,038.78x = 12,654,051.70
  5. Step 5: Solve for x
    x = 12,654,051.70/4,038.78
  6. Step 6: Final answer
    x = 3,133.14

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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.