Home / 2,245.88-3,370.58-1,557.40

Finding the Fourth Proportional to 2,245.88, 3,370.58 and 1,557.40

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Solution

The fourth proportional to 2,245.88, 3,370.58 and 1,557.40 is: 2,337.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,245.88 : 3,370.58 = 1,557.40 : x
  2. Step 2: Convert to fraction form
    2,245.88/3,370.58 = 1,557.40/x
  3. Step 3: Cross multiply
    2,245.88x = 3,370.58 × 1,557.40
  4. Step 4: Simplify right side
    2,245.88x = 5,249,343.56
  5. Step 5: Solve for x
    x = 5,249,343.56/2,245.88
  6. Step 6: Final answer
    x = 2,337.32

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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.