Home / 1,787.36-2,681.06-1,174.92

Finding the Fourth Proportional to 1,787.36, 2,681.06 and 1,174.92

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Solution

The fourth proportional to 1,787.36, 2,681.06 and 1,174.92 is: 1,762.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,787.36 : 2,681.06 = 1,174.92 : x
  2. Step 2: Convert to fraction form
    1,787.36/2,681.06 = 1,174.92/x
  3. Step 3: Cross multiply
    1,787.36x = 2,681.06 × 1,174.92
  4. Step 4: Simplify right side
    1,787.36x = 3,150,031.02
  5. Step 5: Solve for x
    x = 3,150,031.02/1,787.36
  6. Step 6: Final answer
    x = 1,762.39

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1.5x scale

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.