Home / 4,258.78-5,877.42-2,490.94

Finding the Fourth Proportional to 4,258.78, 5,877.42 and 2,490.94

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Solution

The fourth proportional to 4,258.78, 5,877.42 and 2,490.94 is: 3,437.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,258.78 : 5,877.42 = 2,490.94 : x
  2. Step 2: Convert to fraction form
    4,258.78/5,877.42 = 2,490.94/x
  3. Step 3: Cross multiply
    4,258.78x = 5,877.42 × 2,490.94
  4. Step 4: Simplify right side
    4,258.78x = 14,640,300.57
  5. Step 5: Solve for x
    x = 14,640,300.57/4,258.78
  6. Step 6: Final answer
    x = 3,437.67

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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.