Home / 1,539.09-2,307.61-1,045.67

Finding the Fourth Proportional to 1,539.09, 2,307.61 and 1,045.67

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Solution

The fourth proportional to 1,539.09, 2,307.61 and 1,045.67 is: 1,567.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,539.09 : 2,307.61 = 1,045.67 : x
  2. Step 2: Convert to fraction form
    1,539.09/2,307.61 = 1,045.67/x
  3. Step 3: Cross multiply
    1,539.09x = 2,307.61 × 1,045.67
  4. Step 4: Simplify right side
    1,539.09x = 2,412,998.55
  5. Step 5: Solve for x
    x = 2,412,998.55/1,539.09
  6. Step 6: Final answer
    x = 1,567.81

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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.