Home / 3,459.86-4,774.77-1,887.96

Finding the Fourth Proportional to 3,459.86, 4,774.77 and 1,887.96

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Solution

The fourth proportional to 3,459.86, 4,774.77 and 1,887.96 is: 2,605.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,459.86 : 4,774.77 = 1,887.96 : x
  2. Step 2: Convert to fraction form
    3,459.86/4,774.77 = 1,887.96/x
  3. Step 3: Cross multiply
    3,459.86x = 4,774.77 × 1,887.96
  4. Step 4: Simplify right side
    3,459.86x = 9,014,574.77
  5. Step 5: Solve for x
    x = 9,014,574.77/3,459.86
  6. Step 6: Final answer
    x = 2,605.47

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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.