Home / 3,150.61-4,347.57-1,856.87

Finding the Fourth Proportional to 3,150.61, 4,347.57 and 1,856.87

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Solution

The fourth proportional to 3,150.61, 4,347.57 and 1,856.87 is: 2,562.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,150.61 : 4,347.57 = 1,856.87 : x
  2. Step 2: Convert to fraction form
    3,150.61/4,347.57 = 1,856.87/x
  3. Step 3: Cross multiply
    3,150.61x = 4,347.57 × 1,856.87
  4. Step 4: Simplify right side
    3,150.61x = 8,072,873.83
  5. Step 5: Solve for x
    x = 8,072,873.83/3,150.61
  6. Step 6: Final answer
    x = 2,562.32

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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.