Home / 1,567.94-2,163.56-904.69

Finding the Fourth Proportional to 1,567.94, 2,163.56 and 904.69

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Solution

The fourth proportional to 1,567.94, 2,163.56 and 904.69 is: 1,248.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,567.94 : 2,163.56 = 904.69 : x
  2. Step 2: Convert to fraction form
    1,567.94/2,163.56 = 904.69/x
  3. Step 3: Cross multiply
    1,567.94x = 2,163.56 × 904.69
  4. Step 4: Simplify right side
    1,567.94x = 1,957,347.95
  5. Step 5: Solve for x
    x = 1,957,347.95/1,567.94
  6. Step 6: Final answer
    x = 1,248.35

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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.