Home / 1,554.42-2,327.58-904.80

Finding the Fourth Proportional to 1,554.42, 2,327.58 and 904.80

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Solution

The fourth proportional to 1,554.42, 2,327.58 and 904.80 is: 1,354.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,554.42 : 2,327.58 = 904.80 : x
  2. Step 2: Convert to fraction form
    1,554.42/2,327.58 = 904.80/x
  3. Step 3: Cross multiply
    1,554.42x = 2,327.58 × 904.80
  4. Step 4: Simplify right side
    1,554.42x = 2,105,994.38
  5. Step 5: Solve for x
    x = 2,105,994.38/1,554.42
  6. Step 6: Final answer
    x = 1,354.84

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.