Home / 2,730.17-4,085.98-2,291.90

Finding the Fourth Proportional to 2,730.17, 4,085.98 and 2,291.90

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Solution

The fourth proportional to 2,730.17, 4,085.98 and 2,291.90 is: 3,430.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,730.17 : 4,085.98 = 2,291.90 : x
  2. Step 2: Convert to fraction form
    2,730.17/4,085.98 = 2,291.90/x
  3. Step 3: Cross multiply
    2,730.17x = 4,085.98 × 2,291.90
  4. Step 4: Simplify right side
    2,730.17x = 9,364,631.40
  5. Step 5: Solve for x
    x = 9,364,631.40/2,730.17
  6. Step 6: Final answer
    x = 3,430.05

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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.