Home / 2,720.10-4,081.98-1,746.89

Finding the Fourth Proportional to 2,720.10, 4,081.98 and 1,746.89

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Solution

The fourth proportional to 2,720.10, 4,081.98 and 1,746.89 is: 2,621.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,720.10 : 4,081.98 = 1,746.89 : x
  2. Step 2: Convert to fraction form
    2,720.10/4,081.98 = 1,746.89/x
  3. Step 3: Cross multiply
    2,720.10x = 4,081.98 × 1,746.89
  4. Step 4: Simplify right side
    2,720.10x = 7,130,761.66
  5. Step 5: Solve for x
    x = 7,130,761.66/2,720.10
  6. Step 6: Final answer
    x = 2,621.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.