Home / 1,567.85-2,163.72-895.86

Finding the Fourth Proportional to 1,567.85, 2,163.72 and 895.86

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Solution

The fourth proportional to 1,567.85, 2,163.72 and 895.86 is: 1,236.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,567.85 : 2,163.72 = 895.86 : x
  2. Step 2: Convert to fraction form
    1,567.85/2,163.72 = 895.86/x
  3. Step 3: Cross multiply
    1,567.85x = 2,163.72 × 895.86
  4. Step 4: Simplify right side
    1,567.85x = 1,938,390.20
  5. Step 5: Solve for x
    x = 1,938,390.20/1,567.85
  6. Step 6: Final answer
    x = 1,236.34

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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.