Home / 3,277.40-4,890.90-2,927.07

Finding the Fourth Proportional to 3,277.40, 4,890.90 and 2,927.07

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Solution

The fourth proportional to 3,277.40, 4,890.90 and 2,927.07 is: 4,368.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,277.40 : 4,890.90 = 2,927.07 : x
  2. Step 2: Convert to fraction form
    3,277.40/4,890.90 = 2,927.07/x
  3. Step 3: Cross multiply
    3,277.40x = 4,890.90 × 2,927.07
  4. Step 4: Simplify right side
    3,277.40x = 14,316,006.66
  5. Step 5: Solve for x
    x = 14,316,006.66/3,277.40
  6. Step 6: Final answer
    x = 4,368.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.