Home / 2,715.05-3,746.16-1,653.37

Finding the Fourth Proportional to 2,715.05, 3,746.16 and 1,653.37

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Solution

The fourth proportional to 2,715.05, 3,746.16 and 1,653.37 is: 2,281.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,715.05 : 3,746.16 = 1,653.37 : x
  2. Step 2: Convert to fraction form
    2,715.05/3,746.16 = 1,653.37/x
  3. Step 3: Cross multiply
    2,715.05x = 3,746.16 × 1,653.37
  4. Step 4: Simplify right side
    2,715.05x = 6,193,788.56
  5. Step 5: Solve for x
    x = 6,193,788.56/2,715.05
  6. Step 6: Final answer
    x = 2,281.28

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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.