Home / 1,944.12-2,915.58-557.08

Finding the Fourth Proportional to 1,944.12, 2,915.58 and 557.08

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Solution

The fourth proportional to 1,944.12, 2,915.58 and 557.08 is: 835.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,944.12 : 2,915.58 = 557.08 : x
  2. Step 2: Convert to fraction form
    1,944.12/2,915.58 = 557.08/x
  3. Step 3: Cross multiply
    1,944.12x = 2,915.58 × 557.08
  4. Step 4: Simplify right side
    1,944.12x = 1,624,217.16
  5. Step 5: Solve for x
    x = 1,624,217.16/1,944.12
  6. Step 6: Final answer
    x = 835.45

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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.