Home / 3,750.21-5,623.41-1,250.50

Finding the Fourth Proportional to 3,750.21, 5,623.41 and 1,250.50

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Solution

The fourth proportional to 3,750.21, 5,623.41 and 1,250.50 is: 1,875.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,750.21 : 5,623.41 = 1,250.50 : x
  2. Step 2: Convert to fraction form
    3,750.21/5,623.41 = 1,250.50/x
  3. Step 3: Cross multiply
    3,750.21x = 5,623.41 × 1,250.50
  4. Step 4: Simplify right side
    3,750.21x = 7,032,085.92
  5. Step 5: Solve for x
    x = 7,032,085.92/3,750.21
  6. Step 6: Final answer
    x = 1,875.12

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Half scale
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Double scale
Find fourth proportional to 3,751.21, 5,624.91 and 1,251.50
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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.