Home / 1,558.49-2,150.57-895.22

Finding the Fourth Proportional to 1,558.49, 2,150.57 and 895.22

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Solution

The fourth proportional to 1,558.49, 2,150.57 and 895.22 is: 1,235.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,558.49 : 2,150.57 = 895.22 : x
  2. Step 2: Convert to fraction form
    1,558.49/2,150.57 = 895.22/x
  3. Step 3: Cross multiply
    1,558.49x = 2,150.57 × 895.22
  4. Step 4: Simplify right side
    1,558.49x = 1,925,218.05
  5. Step 5: Solve for x
    x = 1,925,218.05/1,558.49
  6. Step 6: Final answer
    x = 1,235.31

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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.