Home / 1,567.58-2,163.31-904.42

Finding the Fourth Proportional to 1,567.58, 2,163.31 and 904.42

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Solution

The fourth proportional to 1,567.58, 2,163.31 and 904.42 is: 1,248.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,567.58 : 2,163.31 = 904.42 : x
  2. Step 2: Convert to fraction form
    1,567.58/2,163.31 = 904.42/x
  3. Step 3: Cross multiply
    1,567.58x = 2,163.31 × 904.42
  4. Step 4: Simplify right side
    1,567.58x = 1,956,529.10
  5. Step 5: Solve for x
    x = 1,956,529.10/1,567.58
  6. Step 6: Final answer
    x = 1,248.12

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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.