Home / 3,278.34-4,916.46-1,427.59

Finding the Fourth Proportional to 3,278.34, 4,916.46 and 1,427.59

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Solution

The fourth proportional to 3,278.34, 4,916.46 and 1,427.59 is: 2,140.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,278.34 : 4,916.46 = 1,427.59 : x
  2. Step 2: Convert to fraction form
    3,278.34/4,916.46 = 1,427.59/x
  3. Step 3: Cross multiply
    3,278.34x = 4,916.46 × 1,427.59
  4. Step 4: Simplify right side
    3,278.34x = 7,018,700.63
  5. Step 5: Solve for x
    x = 7,018,700.63/3,278.34
  6. Step 6: Final answer
    x = 2,140.93

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1.5x scale

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.