Home / 2,305.93-3,182.63-2,165.26

Finding the Fourth Proportional to 2,305.93, 3,182.63 and 2,165.26

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Solution

The fourth proportional to 2,305.93, 3,182.63 and 2,165.26 is: 2,988.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,305.93 : 3,182.63 = 2,165.26 : x
  2. Step 2: Convert to fraction form
    2,305.93/3,182.63 = 2,165.26/x
  3. Step 3: Cross multiply
    2,305.93x = 3,182.63 × 2,165.26
  4. Step 4: Simplify right side
    2,305.93x = 6,891,210.61
  5. Step 5: Solve for x
    x = 6,891,210.61/2,305.93
  6. Step 6: Final answer
    x = 2,988.47

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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.