Home / 1,715.45-2,558.40-1,549.37

Finding the Fourth Proportional to 1,715.45, 2,558.40 and 1,549.37

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Solution

The fourth proportional to 1,715.45, 2,558.40 and 1,549.37 is: 2,310.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,715.45 : 2,558.40 = 1,549.37 : x
  2. Step 2: Convert to fraction form
    1,715.45/2,558.40 = 1,549.37/x
  3. Step 3: Cross multiply
    1,715.45x = 2,558.40 × 1,549.37
  4. Step 4: Simplify right side
    1,715.45x = 3,963,895.42
  5. Step 5: Solve for x
    x = 3,963,895.42/1,715.45
  6. Step 6: Final answer
    x = 2,310.71

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.