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Finding the Fourth Proportional to 3,156.65, 4,732.99 and 1,595.78

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Solution

The fourth proportional to 3,156.65, 4,732.99 and 1,595.78 is: 2,392.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,156.65 : 4,732.99 = 1,595.78 : x
  2. Step 2: Convert to fraction form
    3,156.65/4,732.99 = 1,595.78/x
  3. Step 3: Cross multiply
    3,156.65x = 4,732.99 × 1,595.78
  4. Step 4: Simplify right side
    3,156.65x = 7,552,810.78
  5. Step 5: Solve for x
    x = 7,552,810.78/3,156.65
  6. Step 6: Final answer
    x = 2,392.67

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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.