Home / 2,774.30-4,161.08-1,130.86

Finding the Fourth Proportional to 2,774.30, 4,161.08 and 1,130.86

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Solution

The fourth proportional to 2,774.30, 4,161.08 and 1,130.86 is: 1,696.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,774.30 : 4,161.08 = 1,130.86 : x
  2. Step 2: Convert to fraction form
    2,774.30/4,161.08 = 1,130.86/x
  3. Step 3: Cross multiply
    2,774.30x = 4,161.08 × 1,130.86
  4. Step 4: Simplify right side
    2,774.30x = 4,705,598.93
  5. Step 5: Solve for x
    x = 4,705,598.93/2,774.30
  6. Step 6: Final answer
    x = 1,696.14

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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.