Home / 2,050.40-2,829.51-1,118.90

Finding the Fourth Proportional to 2,050.40, 2,829.51 and 1,118.90

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Solution

The fourth proportional to 2,050.40, 2,829.51 and 1,118.90 is: 1,544.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,050.40 : 2,829.51 = 1,118.90 : x
  2. Step 2: Convert to fraction form
    2,050.40/2,829.51 = 1,118.90/x
  3. Step 3: Cross multiply
    2,050.40x = 2,829.51 × 1,118.90
  4. Step 4: Simplify right side
    2,050.40x = 3,165,938.74
  5. Step 5: Solve for x
    x = 3,165,938.74/2,050.40
  6. Step 6: Final answer
    x = 1,544.06

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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.