Home / 1,820.25-2,511.84-1,074.17

Finding the Fourth Proportional to 1,820.25, 2,511.84 and 1,074.17

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Solution

The fourth proportional to 1,820.25, 2,511.84 and 1,074.17 is: 1,482.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,820.25 : 2,511.84 = 1,074.17 : x
  2. Step 2: Convert to fraction form
    1,820.25/2,511.84 = 1,074.17/x
  3. Step 3: Cross multiply
    1,820.25x = 2,511.84 × 1,074.17
  4. Step 4: Simplify right side
    1,820.25x = 2,698,130.61
  5. Step 5: Solve for x
    x = 2,698,130.61/1,820.25
  6. Step 6: Final answer
    x = 1,482.29

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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.