Home / 1,732.93-2,389.40-1,400.32

Finding the Fourth Proportional to 1,732.93, 2,389.40 and 1,400.32

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Solution

The fourth proportional to 1,732.93, 2,389.40 and 1,400.32 is: 1,930.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,732.93 : 2,389.40 = 1,400.32 : x
  2. Step 2: Convert to fraction form
    1,732.93/2,389.40 = 1,400.32/x
  3. Step 3: Cross multiply
    1,732.93x = 2,389.40 × 1,400.32
  4. Step 4: Simplify right side
    1,732.93x = 3,345,925.84
  5. Step 5: Solve for x
    x = 3,345,925.84/1,732.93
  6. Step 6: Final answer
    x = 1,930.79

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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.