Home / 2,549.66-3,518.41-1,501.78

Finding the Fourth Proportional to 2,549.66, 3,518.41 and 1,501.78

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Solution

The fourth proportional to 2,549.66, 3,518.41 and 1,501.78 is: 2,072.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,549.66 : 3,518.41 = 1,501.78 : x
  2. Step 2: Convert to fraction form
    2,549.66/3,518.41 = 1,501.78/x
  3. Step 3: Cross multiply
    2,549.66x = 3,518.41 × 1,501.78
  4. Step 4: Simplify right side
    2,549.66x = 5,283,877.77
  5. Step 5: Solve for x
    x = 5,283,877.77/2,549.66
  6. Step 6: Final answer
    x = 2,072.39

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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.