Home / 2,948.48-4,406.32-1,966.40

Finding the Fourth Proportional to 2,948.48, 4,406.32 and 1,966.40

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Solution

The fourth proportional to 2,948.48, 4,406.32 and 1,966.40 is: 2,938.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,948.48 : 4,406.32 = 1,966.40 : x
  2. Step 2: Convert to fraction form
    2,948.48/4,406.32 = 1,966.40/x
  3. Step 3: Cross multiply
    2,948.48x = 4,406.32 × 1,966.40
  4. Step 4: Simplify right side
    2,948.48x = 8,664,587.65
  5. Step 5: Solve for x
    x = 8,664,587.65/2,948.48
  6. Step 6: Final answer
    x = 2,938.66

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.