Home / 3,263.70-4,502.79-2,085.45

Finding the Fourth Proportional to 3,263.70, 4,502.79 and 2,085.45

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Solution

The fourth proportional to 3,263.70, 4,502.79 and 2,085.45 is: 2,877.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,263.70 : 4,502.79 = 2,085.45 : x
  2. Step 2: Convert to fraction form
    3,263.70/4,502.79 = 2,085.45/x
  3. Step 3: Cross multiply
    3,263.70x = 4,502.79 × 2,085.45
  4. Step 4: Simplify right side
    3,263.70x = 9,390,343.41
  5. Step 5: Solve for x
    x = 9,390,343.41/3,263.70
  6. Step 6: Final answer
    x = 2,877.21

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1.5x scale

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.