Home / 1,497.74-2,064.24-1,428.47

Finding the Fourth Proportional to 1,497.74, 2,064.24 and 1,428.47

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Solution

The fourth proportional to 1,497.74, 2,064.24 and 1,428.47 is: 1,968.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,497.74 : 2,064.24 = 1,428.47 : x
  2. Step 2: Convert to fraction form
    1,497.74/2,064.24 = 1,428.47/x
  3. Step 3: Cross multiply
    1,497.74x = 2,064.24 × 1,428.47
  4. Step 4: Simplify right side
    1,497.74x = 2,948,704.91
  5. Step 5: Solve for x
    x = 2,948,704.91/1,497.74
  6. Step 6: Final answer
    x = 1,968.77

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.