Home / 1,834.96-2,531.62-1,038.20

Finding the Fourth Proportional to 1,834.96, 2,531.62 and 1,038.20

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Solution

The fourth proportional to 1,834.96, 2,531.62 and 1,038.20 is: 1,432.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,834.96 : 2,531.62 = 1,038.20 : x
  2. Step 2: Convert to fraction form
    1,834.96/2,531.62 = 1,038.20/x
  3. Step 3: Cross multiply
    1,834.96x = 2,531.62 × 1,038.20
  4. Step 4: Simplify right side
    1,834.96x = 2,628,327.88
  5. Step 5: Solve for x
    x = 2,628,327.88/1,834.96
  6. Step 6: Final answer
    x = 1,432.36

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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.