Home / 1,946.70-2,920.53-560.03

Finding the Fourth Proportional to 1,946.70, 2,920.53 and 560.03

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Solution

The fourth proportional to 1,946.70, 2,920.53 and 560.03 is: 840.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,946.70 : 2,920.53 = 560.03 : x
  2. Step 2: Convert to fraction form
    1,946.70/2,920.53 = 560.03/x
  3. Step 3: Cross multiply
    1,946.70x = 2,920.53 × 560.03
  4. Step 4: Simplify right side
    1,946.70x = 1,635,584.42
  5. Step 5: Solve for x
    x = 1,635,584.42/1,946.70
  6. Step 6: Final answer
    x = 840.19

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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.