Home / 1,787.02-2,466.08-1,001.07

Finding the Fourth Proportional to 1,787.02, 2,466.08 and 1,001.07

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Solution

The fourth proportional to 1,787.02, 2,466.08 and 1,001.07 is: 1,381.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,787.02 : 2,466.08 = 1,001.07 : x
  2. Step 2: Convert to fraction form
    1,787.02/2,466.08 = 1,001.07/x
  3. Step 3: Cross multiply
    1,787.02x = 2,466.08 × 1,001.07
  4. Step 4: Simplify right side
    1,787.02x = 2,468,725.15
  5. Step 5: Solve for x
    x = 2,468,725.15/1,787.02
  6. Step 6: Final answer
    x = 1,381.47

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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.