Home / 3,439.73-4,746.04-1,947.32

Finding the Fourth Proportional to 3,439.73, 4,746.04 and 1,947.32

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Solution

The fourth proportional to 3,439.73, 4,746.04 and 1,947.32 is: 2,686.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,439.73 : 4,746.04 = 1,947.32 : x
  2. Step 2: Convert to fraction form
    3,439.73/4,746.04 = 1,947.32/x
  3. Step 3: Cross multiply
    3,439.73x = 4,746.04 × 1,947.32
  4. Step 4: Simplify right side
    3,439.73x = 9,242,085.46
  5. Step 5: Solve for x
    x = 9,242,085.46/3,439.73
  6. Step 6: Final answer
    x = 2,686.86

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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.