Home / 2,715.10-4,069.87-1,070.98

Finding the Fourth Proportional to 2,715.10, 4,069.87 and 1,070.98

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Solution

The fourth proportional to 2,715.10, 4,069.87 and 1,070.98 is: 1,605.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,715.10 : 4,069.87 = 1,070.98 : x
  2. Step 2: Convert to fraction form
    2,715.10/4,069.87 = 1,070.98/x
  3. Step 3: Cross multiply
    2,715.10x = 4,069.87 × 1,070.98
  4. Step 4: Simplify right side
    2,715.10x = 4,358,749.37
  5. Step 5: Solve for x
    x = 4,358,749.37/2,715.10
  6. Step 6: Final answer
    x = 1,605.37

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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.