Home / 2,371.86-3,557.85-1,830.63

Finding the Fourth Proportional to 2,371.86, 3,557.85 and 1,830.63

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Solution

The fourth proportional to 2,371.86, 3,557.85 and 1,830.63 is: 2,745.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,371.86 : 3,557.85 = 1,830.63 : x
  2. Step 2: Convert to fraction form
    2,371.86/3,557.85 = 1,830.63/x
  3. Step 3: Cross multiply
    2,371.86x = 3,557.85 × 1,830.63
  4. Step 4: Simplify right side
    2,371.86x = 6,513,106.95
  5. Step 5: Solve for x
    x = 6,513,106.95/2,371.86
  6. Step 6: Final answer
    x = 2,745.99

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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.