Home / 2,656.28-3,980.50-2,364.33

Finding the Fourth Proportional to 2,656.28, 3,980.50 and 2,364.33

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Solution

The fourth proportional to 2,656.28, 3,980.50 and 2,364.33 is: 3,543.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,656.28 : 3,980.50 = 2,364.33 : x
  2. Step 2: Convert to fraction form
    2,656.28/3,980.50 = 2,364.33/x
  3. Step 3: Cross multiply
    2,656.28x = 3,980.50 × 2,364.33
  4. Step 4: Simplify right side
    2,656.28x = 9,411,209.65
  5. Step 5: Solve for x
    x = 9,411,209.65/2,656.28
  6. Step 6: Final answer
    x = 3,543.01

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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.