Home / 3,348.79-4,621.25-1,856.70

Finding the Fourth Proportional to 3,348.79, 4,621.25 and 1,856.70

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Solution

The fourth proportional to 3,348.79, 4,621.25 and 1,856.70 is: 2,562.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,348.79 : 4,621.25 = 1,856.70 : x
  2. Step 2: Convert to fraction form
    3,348.79/4,621.25 = 1,856.70/x
  3. Step 3: Cross multiply
    3,348.79x = 4,621.25 × 1,856.70
  4. Step 4: Simplify right side
    3,348.79x = 8,580,256.41
  5. Step 5: Solve for x
    x = 8,580,256.41/3,348.79
  6. Step 6: Final answer
    x = 2,562.20

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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.