Home / 1,838.02-2,531.40-1,708.85

Finding the Fourth Proportional to 1,838.02, 2,531.40 and 1,708.85

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Solution

The fourth proportional to 1,838.02, 2,531.40 and 1,708.85 is: 2,353.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,838.02 : 2,531.40 = 1,708.85 : x
  2. Step 2: Convert to fraction form
    1,838.02/2,531.40 = 1,708.85/x
  3. Step 3: Cross multiply
    1,838.02x = 2,531.40 × 1,708.85
  4. Step 4: Simplify right side
    1,838.02x = 4,325,782.89
  5. Step 5: Solve for x
    x = 4,325,782.89/1,838.02
  6. Step 6: Final answer
    x = 2,353.50

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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.