Home / 1,240.83-1,861.50-375.07

Finding the Fourth Proportional to 1,240.83, 1,861.50 and 375.07

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Solution

The fourth proportional to 1,240.83, 1,861.50 and 375.07 is: 562.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,240.83 : 1,861.50 = 375.07 : x
  2. Step 2: Convert to fraction form
    1,240.83/1,861.50 = 375.07/x
  3. Step 3: Cross multiply
    1,240.83x = 1,861.50 × 375.07
  4. Step 4: Simplify right side
    1,240.83x = 698,192.81
  5. Step 5: Solve for x
    x = 698,192.81/1,240.83
  6. Step 6: Final answer
    x = 562.68

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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.