Home / 2,530.76-3,492.43-1,396.44

Finding the Fourth Proportional to 2,530.76, 3,492.43 and 1,396.44

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Solution

The fourth proportional to 2,530.76, 3,492.43 and 1,396.44 is: 1,927.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,530.76 : 3,492.43 = 1,396.44 : x
  2. Step 2: Convert to fraction form
    2,530.76/3,492.43 = 1,396.44/x
  3. Step 3: Cross multiply
    2,530.76x = 3,492.43 × 1,396.44
  4. Step 4: Simplify right side
    2,530.76x = 4,876,970.62
  5. Step 5: Solve for x
    x = 4,876,970.62/2,530.76
  6. Step 6: Final answer
    x = 1,927.08

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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.