Home / 1,895.84-2,616.28-1,109.90

Finding the Fourth Proportional to 1,895.84, 2,616.28 and 1,109.90

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Solution

The fourth proportional to 1,895.84, 2,616.28 and 1,109.90 is: 1,531.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,895.84 : 2,616.28 = 1,109.90 : x
  2. Step 2: Convert to fraction form
    1,895.84/2,616.28 = 1,109.90/x
  3. Step 3: Cross multiply
    1,895.84x = 2,616.28 × 1,109.90
  4. Step 4: Simplify right side
    1,895.84x = 2,903,809.17
  5. Step 5: Solve for x
    x = 2,903,809.17/1,895.84
  6. Step 6: Final answer
    x = 1,531.67

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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.