Home / 2,457.73-3,391.56-1,395.47

Finding the Fourth Proportional to 2,457.73, 3,391.56 and 1,395.47

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Solution

The fourth proportional to 2,457.73, 3,391.56 and 1,395.47 is: 1,925.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,457.73 : 3,391.56 = 1,395.47 : x
  2. Step 2: Convert to fraction form
    2,457.73/3,391.56 = 1,395.47/x
  3. Step 3: Cross multiply
    2,457.73x = 3,391.56 × 1,395.47
  4. Step 4: Simplify right side
    2,457.73x = 4,732,828.71
  5. Step 5: Solve for x
    x = 4,732,828.71/2,457.73
  6. Step 6: Final answer
    x = 1,925.69

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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.