Home / 3,117.43-4,674.78-1,656.25

Finding the Fourth Proportional to 3,117.43, 4,674.78 and 1,656.25

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Solution

The fourth proportional to 3,117.43, 4,674.78 and 1,656.25 is: 2,483.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,117.43 : 4,674.78 = 1,656.25 : x
  2. Step 2: Convert to fraction form
    3,117.43/4,674.78 = 1,656.25/x
  3. Step 3: Cross multiply
    3,117.43x = 4,674.78 × 1,656.25
  4. Step 4: Simplify right side
    3,117.43x = 7,742,604.38
  5. Step 5: Solve for x
    x = 7,742,604.38/3,117.43
  6. Step 6: Final answer
    x = 2,483.65

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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.