Home / 1,538.40-2,307.24-1,051.32

Finding the Fourth Proportional to 1,538.40, 2,307.24 and 1,051.32

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Solution

The fourth proportional to 1,538.40, 2,307.24 and 1,051.32 is: 1,576.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,538.40 : 2,307.24 = 1,051.32 : x
  2. Step 2: Convert to fraction form
    1,538.40/2,307.24 = 1,051.32/x
  3. Step 3: Cross multiply
    1,538.40x = 2,307.24 × 1,051.32
  4. Step 4: Simplify right side
    1,538.40x = 2,425,647.56
  5. Step 5: Solve for x
    x = 2,425,647.56/1,538.40
  6. Step 6: Final answer
    x = 1,576.73

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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.