Home / 3,465.86-4,782.88-1,872.50

Finding the Fourth Proportional to 3,465.86, 4,782.88 and 1,872.50

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Solution

The fourth proportional to 3,465.86, 4,782.88 and 1,872.50 is: 2,584.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,465.86 : 4,782.88 = 1,872.50 : x
  2. Step 2: Convert to fraction form
    3,465.86/4,782.88 = 1,872.50/x
  3. Step 3: Cross multiply
    3,465.86x = 4,782.88 × 1,872.50
  4. Step 4: Simplify right side
    3,465.86x = 8,955,950.08
  5. Step 5: Solve for x
    x = 8,955,950.08/3,465.86
  6. Step 6: Final answer
    x = 2,584.05

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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.