Home / 2,888.70-4,330.45-1,039.38

Finding the Fourth Proportional to 2,888.70, 4,330.45 and 1,039.38

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Solution

The fourth proportional to 2,888.70, 4,330.45 and 1,039.38 is: 1,558.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,888.70 : 4,330.45 = 1,039.38 : x
  2. Step 2: Convert to fraction form
    2,888.70/4,330.45 = 1,039.38/x
  3. Step 3: Cross multiply
    2,888.70x = 4,330.45 × 1,039.38
  4. Step 4: Simplify right side
    2,888.70x = 4,500,984.42
  5. Step 5: Solve for x
    x = 4,500,984.42/2,888.70
  6. Step 6: Final answer
    x = 1,558.13

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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.