Home / 1,895.64-2,616.21-1,109.69

Finding the Fourth Proportional to 1,895.64, 2,616.21 and 1,109.69

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Solution

The fourth proportional to 1,895.64, 2,616.21 and 1,109.69 is: 1,531.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,895.64 : 2,616.21 = 1,109.69 : x
  2. Step 2: Convert to fraction form
    1,895.64/2,616.21 = 1,109.69/x
  3. Step 3: Cross multiply
    1,895.64x = 2,616.21 × 1,109.69
  4. Step 4: Simplify right side
    1,895.64x = 2,903,182.07
  5. Step 5: Solve for x
    x = 2,903,182.07/1,895.64
  6. Step 6: Final answer
    x = 1,531.50

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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.