Home / 3,439.29-4,746.09-1,946.91

Finding the Fourth Proportional to 3,439.29, 4,746.09 and 1,946.91

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Solution

The fourth proportional to 3,439.29, 4,746.09 and 1,946.91 is: 2,686.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,439.29 : 4,746.09 = 1,946.91 : x
  2. Step 2: Convert to fraction form
    3,439.29/4,746.09 = 1,946.91/x
  3. Step 3: Cross multiply
    3,439.29x = 4,746.09 × 1,946.91
  4. Step 4: Simplify right side
    3,439.29x = 9,240,210.08
  5. Step 5: Solve for x
    x = 9,240,210.08/3,439.29
  6. Step 6: Final answer
    x = 2,686.66

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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.