Home / 2,927.72-4,392.74-1,283.12

Finding the Fourth Proportional to 2,927.72, 4,392.74 and 1,283.12

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Solution

The fourth proportional to 2,927.72, 4,392.74 and 1,283.12 is: 1,925.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,927.72 : 4,392.74 = 1,283.12 : x
  2. Step 2: Convert to fraction form
    2,927.72/4,392.74 = 1,283.12/x
  3. Step 3: Cross multiply
    2,927.72x = 4,392.74 × 1,283.12
  4. Step 4: Simplify right side
    2,927.72x = 5,636,384.17
  5. Step 5: Solve for x
    x = 5,636,384.17/2,927.72
  6. Step 6: Final answer
    x = 1,925.18

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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.