Home / 2,916.84-4,384.06-1,897.32

Finding the Fourth Proportional to 2,916.84, 4,384.06 and 1,897.32

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Solution

The fourth proportional to 2,916.84, 4,384.06 and 1,897.32 is: 2,851.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,916.84 : 4,384.06 = 1,897.32 : x
  2. Step 2: Convert to fraction form
    2,916.84/4,384.06 = 1,897.32/x
  3. Step 3: Cross multiply
    2,916.84x = 4,384.06 × 1,897.32
  4. Step 4: Simplify right side
    2,916.84x = 8,317,964.72
  5. Step 5: Solve for x
    x = 8,317,964.72/2,916.84
  6. Step 6: Final answer
    x = 2,851.70

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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.