Home / 2,905.08-4,357.74-1,365

Finding the Fourth Proportional to 2,905.08, 4,357.74 and 1,365

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Solution

The fourth proportional to 2,905.08, 4,357.74 and 1,365 is: 2,047.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,905.08 : 4,357.74 = 1,365 : x
  2. Step 2: Convert to fraction form
    2,905.08/4,357.74 = 1,365/x
  3. Step 3: Cross multiply
    2,905.08x = 4,357.74 × 1,365
  4. Step 4: Simplify right side
    2,905.08x = 5,948,315.10
  5. Step 5: Solve for x
    x = 5,948,315.10/2,905.08
  6. Step 6: Final answer
    x = 2,047.56

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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.