Home / 3,449.34-4,759.98-1,877.40

Finding the Fourth Proportional to 3,449.34, 4,759.98 and 1,877.40

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Solution

The fourth proportional to 3,449.34, 4,759.98 and 1,877.40 is: 2,590.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,449.34 : 4,759.98 = 1,877.40 : x
  2. Step 2: Convert to fraction form
    3,449.34/4,759.98 = 1,877.40/x
  3. Step 3: Cross multiply
    3,449.34x = 4,759.98 × 1,877.40
  4. Step 4: Simplify right side
    3,449.34x = 8,936,386.45
  5. Step 5: Solve for x
    x = 8,936,386.45/3,449.34
  6. Step 6: Final answer
    x = 2,590.75

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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.