Home / 3,263.48-4,895.58-1,315.72

Finding the Fourth Proportional to 3,263.48, 4,895.58 and 1,315.72

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Solution

The fourth proportional to 3,263.48, 4,895.58 and 1,315.72 is: 1,973.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,263.48 : 4,895.58 = 1,315.72 : x
  2. Step 2: Convert to fraction form
    3,263.48/4,895.58 = 1,315.72/x
  3. Step 3: Cross multiply
    3,263.48x = 4,895.58 × 1,315.72
  4. Step 4: Simplify right side
    3,263.48x = 6,441,212.52
  5. Step 5: Solve for x
    x = 6,441,212.52/3,263.48
  6. Step 6: Final answer
    x = 1,973.73

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1.5x scale

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.