Home / 1,541.30-2,312.01-445.77

Finding the Fourth Proportional to 1,541.30, 2,312.01 and 445.77

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Solution

The fourth proportional to 1,541.30, 2,312.01 and 445.77 is: 668.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,541.30 : 2,312.01 = 445.77 : x
  2. Step 2: Convert to fraction form
    1,541.30/2,312.01 = 445.77/x
  3. Step 3: Cross multiply
    1,541.30x = 2,312.01 × 445.77
  4. Step 4: Simplify right side
    1,541.30x = 1,030,624.70
  5. Step 5: Solve for x
    x = 1,030,624.70/1,541.30
  6. Step 6: Final answer
    x = 668.67

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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.