Home / 4,071.96-5,618.96-2,303.20

Finding the Fourth Proportional to 4,071.96, 5,618.96 and 2,303.20

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Solution

The fourth proportional to 4,071.96, 5,618.96 and 2,303.20 is: 3,178.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,071.96 : 5,618.96 = 2,303.20 : x
  2. Step 2: Convert to fraction form
    4,071.96/5,618.96 = 2,303.20/x
  3. Step 3: Cross multiply
    4,071.96x = 5,618.96 × 2,303.20
  4. Step 4: Simplify right side
    4,071.96x = 12,941,588.67
  5. Step 5: Solve for x
    x = 12,941,588.67/4,071.96
  6. Step 6: Final answer
    x = 3,178.22

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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.