Home / 2,050.92-2,829.33-1,387.53

Finding the Fourth Proportional to 2,050.92, 2,829.33 and 1,387.53

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Solution

The fourth proportional to 2,050.92, 2,829.33 and 1,387.53 is: 1,914.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,050.92 : 2,829.33 = 1,387.53 : x
  2. Step 2: Convert to fraction form
    2,050.92/2,829.33 = 1,387.53/x
  3. Step 3: Cross multiply
    2,050.92x = 2,829.33 × 1,387.53
  4. Step 4: Simplify right side
    2,050.92x = 3,925,780.25
  5. Step 5: Solve for x
    x = 3,925,780.25/2,050.92
  6. Step 6: Final answer
    x = 1,914.16

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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.