Home / 3,427.72-4,730.02-1,935.70

Finding the Fourth Proportional to 3,427.72, 4,730.02 and 1,935.70

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Solution

The fourth proportional to 3,427.72, 4,730.02 and 1,935.70 is: 2,671.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,427.72 : 4,730.02 = 1,935.70 : x
  2. Step 2: Convert to fraction form
    3,427.72/4,730.02 = 1,935.70/x
  3. Step 3: Cross multiply
    3,427.72x = 4,730.02 × 1,935.70
  4. Step 4: Simplify right side
    3,427.72x = 9,155,899.71
  5. Step 5: Solve for x
    x = 9,155,899.71/3,427.72
  6. Step 6: Final answer
    x = 2,671.13

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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.