Home / 1,715.12-2,573.31-1,022.18

Finding the Fourth Proportional to 1,715.12, 2,573.31 and 1,022.18

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Solution

The fourth proportional to 1,715.12, 2,573.31 and 1,022.18 is: 1,533.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,715.12 : 2,573.31 = 1,022.18 : x
  2. Step 2: Convert to fraction form
    1,715.12/2,573.31 = 1,022.18/x
  3. Step 3: Cross multiply
    1,715.12x = 2,573.31 × 1,022.18
  4. Step 4: Simplify right side
    1,715.12x = 2,630,386.02
  5. Step 5: Solve for x
    x = 2,630,386.02/1,715.12
  6. Step 6: Final answer
    x = 1,533.65

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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.