Home / 1,743.02-2,614.46-646.89

Finding the Fourth Proportional to 1,743.02, 2,614.46 and 646.89

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Solution

The fourth proportional to 1,743.02, 2,614.46 and 646.89 is: 970.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,743.02 : 2,614.46 = 646.89 : x
  2. Step 2: Convert to fraction form
    1,743.02/2,614.46 = 646.89/x
  3. Step 3: Cross multiply
    1,743.02x = 2,614.46 × 646.89
  4. Step 4: Simplify right side
    1,743.02x = 1,691,264.79
  5. Step 5: Solve for x
    x = 1,691,264.79/1,743.02
  6. Step 6: Final answer
    x = 970.31

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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.