Home / 3,537.54-5,307.84-1,688.67

Finding the Fourth Proportional to 3,537.54, 5,307.84 and 1,688.67

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Solution

The fourth proportional to 3,537.54, 5,307.84 and 1,688.67 is: 2,533.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,537.54 : 5,307.84 = 1,688.67 : x
  2. Step 2: Convert to fraction form
    3,537.54/5,307.84 = 1,688.67/x
  3. Step 3: Cross multiply
    3,537.54x = 5,307.84 × 1,688.67
  4. Step 4: Simplify right side
    3,537.54x = 8,963,190.17
  5. Step 5: Solve for x
    x = 8,963,190.17/3,537.54
  6. Step 6: Final answer
    x = 2,533.74

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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.