Home / 3,154.08-4,352.48-1,756.80

Finding the Fourth Proportional to 3,154.08, 4,352.48 and 1,756.80

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Solution

The fourth proportional to 3,154.08, 4,352.48 and 1,756.80 is: 2,424.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,154.08 : 4,352.48 = 1,756.80 : x
  2. Step 2: Convert to fraction form
    3,154.08/4,352.48 = 1,756.80/x
  3. Step 3: Cross multiply
    3,154.08x = 4,352.48 × 1,756.80
  4. Step 4: Simplify right side
    3,154.08x = 7,646,436.86
  5. Step 5: Solve for x
    x = 7,646,436.86/3,154.08
  6. Step 6: Final answer
    x = 2,424.30

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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.