Home / 2,642.44-3,957.36-1,585.30

Finding the Fourth Proportional to 2,642.44, 3,957.36 and 1,585.30

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Solution

The fourth proportional to 2,642.44, 3,957.36 and 1,585.30 is: 2,374.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,642.44 : 3,957.36 = 1,585.30 : x
  2. Step 2: Convert to fraction form
    2,642.44/3,957.36 = 1,585.30/x
  3. Step 3: Cross multiply
    2,642.44x = 3,957.36 × 1,585.30
  4. Step 4: Simplify right side
    2,642.44x = 6,273,602.81
  5. Step 5: Solve for x
    x = 6,273,602.81/2,642.44
  6. Step 6: Final answer
    x = 2,374.17

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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.