Home / 3,030.49-4,177.56-1,850.77

Finding the Fourth Proportional to 3,030.49, 4,177.56 and 1,850.77

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Solution

The fourth proportional to 3,030.49, 4,177.56 and 1,850.77 is: 2,551.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,030.49 : 4,177.56 = 1,850.77 : x
  2. Step 2: Convert to fraction form
    3,030.49/4,177.56 = 1,850.77/x
  3. Step 3: Cross multiply
    3,030.49x = 4,177.56 × 1,850.77
  4. Step 4: Simplify right side
    3,030.49x = 7,731,702.72
  5. Step 5: Solve for x
    x = 7,731,702.72/3,030.49
  6. Step 6: Final answer
    x = 2,551.30

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Half scale
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Double scale
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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.