Home / 1,830.86-2,525.79-1,084.34

Finding the Fourth Proportional to 1,830.86, 2,525.79 and 1,084.34

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Solution

The fourth proportional to 1,830.86, 2,525.79 and 1,084.34 is: 1,495.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,830.86 : 2,525.79 = 1,084.34 : x
  2. Step 2: Convert to fraction form
    1,830.86/2,525.79 = 1,084.34/x
  3. Step 3: Cross multiply
    1,830.86x = 2,525.79 × 1,084.34
  4. Step 4: Simplify right side
    1,830.86x = 2,738,815.13
  5. Step 5: Solve for x
    x = 2,738,815.13/1,830.86
  6. Step 6: Final answer
    x = 1,495.92

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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.