Home / 3,190.48-4,787.16-1,547.92

Finding the Fourth Proportional to 3,190.48, 4,787.16 and 1,547.92

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Solution

The fourth proportional to 3,190.48, 4,787.16 and 1,547.92 is: 2,322.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,190.48 : 4,787.16 = 1,547.92 : x
  2. Step 2: Convert to fraction form
    3,190.48/4,787.16 = 1,547.92/x
  3. Step 3: Cross multiply
    3,190.48x = 4,787.16 × 1,547.92
  4. Step 4: Simplify right side
    3,190.48x = 7,410,140.71
  5. Step 5: Solve for x
    x = 7,410,140.71/3,190.48
  6. Step 6: Final answer
    x = 2,322.58

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.