Home / 2,737.63-4,109.00-1,257.65

Finding the Fourth Proportional to 2,737.63, 4,109.00 and 1,257.65

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Solution

The fourth proportional to 2,737.63, 4,109.00 and 1,257.65 is: 1,887.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,737.63 : 4,109.00 = 1,257.65 : x
  2. Step 2: Convert to fraction form
    2,737.63/4,109.00 = 1,257.65/x
  3. Step 3: Cross multiply
    2,737.63x = 4,109.00 × 1,257.65
  4. Step 4: Simplify right side
    2,737.63x = 5,167,681.86
  5. Step 5: Solve for x
    x = 5,167,681.86/2,737.63
  6. Step 6: Final answer
    x = 1,887.65

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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.