Home / 3,136.08-4,700.48-1,284.95

Finding the Fourth Proportional to 3,136.08, 4,700.48 and 1,284.95

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Solution

The fourth proportional to 3,136.08, 4,700.48 and 1,284.95 is: 1,925.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,136.08 : 4,700.48 = 1,284.95 : x
  2. Step 2: Convert to fraction form
    3,136.08/4,700.48 = 1,284.95/x
  3. Step 3: Cross multiply
    3,136.08x = 4,700.48 × 1,284.95
  4. Step 4: Simplify right side
    3,136.08x = 6,039,887.10
  5. Step 5: Solve for x
    x = 6,039,887.10/3,136.08
  6. Step 6: Final answer
    x = 1,925.93

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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.