Home / 1,567.73-2,163.85-904.85

Finding the Fourth Proportional to 1,567.73, 2,163.85 and 904.85

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Solution

The fourth proportional to 1,567.73, 2,163.85 and 904.85 is: 1,248.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,567.73 : 2,163.85 = 904.85 : x
  2. Step 2: Convert to fraction form
    1,567.73/2,163.85 = 904.85/x
  3. Step 3: Cross multiply
    1,567.73x = 2,163.85 × 904.85
  4. Step 4: Simplify right side
    1,567.73x = 1,957,954.71
  5. Step 5: Solve for x
    x = 1,957,954.71/1,567.73
  6. Step 6: Final answer
    x = 1,248.91

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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.