Home / 3,143.66-4,338.52-1,746.50

Finding the Fourth Proportional to 3,143.66, 4,338.52 and 1,746.50

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Solution

The fourth proportional to 3,143.66, 4,338.52 and 1,746.50 is: 2,410.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,143.66 : 4,338.52 = 1,746.50 : x
  2. Step 2: Convert to fraction form
    3,143.66/4,338.52 = 1,746.50/x
  3. Step 3: Cross multiply
    3,143.66x = 4,338.52 × 1,746.50
  4. Step 4: Simplify right side
    3,143.66x = 7,577,225.18
  5. Step 5: Solve for x
    x = 7,577,225.18/3,143.66
  6. Step 6: Final answer
    x = 2,410.32

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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.