Home / 1,373.88-2,056.36-1,008.58

Finding the Fourth Proportional to 1,373.88, 2,056.36 and 1,008.58

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Solution

The fourth proportional to 1,373.88, 2,056.36 and 1,008.58 is: 1,509.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,373.88 : 2,056.36 = 1,008.58 : x
  2. Step 2: Convert to fraction form
    1,373.88/2,056.36 = 1,008.58/x
  3. Step 3: Cross multiply
    1,373.88x = 2,056.36 × 1,008.58
  4. Step 4: Simplify right side
    1,373.88x = 2,074,003.57
  5. Step 5: Solve for x
    x = 2,074,003.57/1,373.88
  6. Step 6: Final answer
    x = 1,509.60

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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.