Home / 1,715.60-2,573.40-1,518.32

Finding the Fourth Proportional to 1,715.60, 2,573.40 and 1,518.32

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Solution

The fourth proportional to 1,715.60, 2,573.40 and 1,518.32 is: 2,277.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,715.60 : 2,573.40 = 1,518.32 : x
  2. Step 2: Convert to fraction form
    1,715.60/2,573.40 = 1,518.32/x
  3. Step 3: Cross multiply
    1,715.60x = 2,573.40 × 1,518.32
  4. Step 4: Simplify right side
    1,715.60x = 3,907,244.69
  5. Step 5: Solve for x
    x = 3,907,244.69/1,715.60
  6. Step 6: Final answer
    x = 2,277.48

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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.