Home / 1,743.08-2,403.80-1,365

Finding the Fourth Proportional to 1,743.08, 2,403.80 and 1,365

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Solution

The fourth proportional to 1,743.08, 2,403.80 and 1,365 is: 1,882.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,743.08 : 2,403.80 = 1,365 : x
  2. Step 2: Convert to fraction form
    1,743.08/2,403.80 = 1,365/x
  3. Step 3: Cross multiply
    1,743.08x = 2,403.80 × 1,365
  4. Step 4: Simplify right side
    1,743.08x = 3,281,187.00
  5. Step 5: Solve for x
    x = 3,281,187.00/1,743.08
  6. Step 6: Final answer
    x = 1,882.41

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.