Home / 1,787.09-2,460.77-1,585.02

Finding the Fourth Proportional to 1,787.09, 2,460.77 and 1,585.02

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Solution

The fourth proportional to 1,787.09, 2,460.77 and 1,585.02 is: 2,182.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,787.09 : 2,460.77 = 1,585.02 : x
  2. Step 2: Convert to fraction form
    1,787.09/2,460.77 = 1,585.02/x
  3. Step 3: Cross multiply
    1,787.09x = 2,460.77 × 1,585.02
  4. Step 4: Simplify right side
    1,787.09x = 3,900,369.67
  5. Step 5: Solve for x
    x = 3,900,369.67/1,787.09
  6. Step 6: Final answer
    x = 2,182.53

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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.