Home / 1,787.40-2,466.59-1,001.48

Finding the Fourth Proportional to 1,787.40, 2,466.59 and 1,001.48

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Solution

The fourth proportional to 1,787.40, 2,466.59 and 1,001.48 is: 1,382.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,787.40 : 2,466.59 = 1,001.48 : x
  2. Step 2: Convert to fraction form
    1,787.40/2,466.59 = 1,001.48/x
  3. Step 3: Cross multiply
    1,787.40x = 2,466.59 × 1,001.48
  4. Step 4: Simplify right side
    1,787.40x = 2,470,223.21
  5. Step 5: Solve for x
    x = 2,470,223.21/1,787.40
  6. Step 6: Final answer
    x = 1,382.02

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1.5x scale

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.