Home / 2,927.95-4,038.46-1,864.82

Finding the Fourth Proportional to 2,927.95, 4,038.46 and 1,864.82

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Solution

The fourth proportional to 2,927.95, 4,038.46 and 1,864.82 is: 2,572.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,927.95 : 4,038.46 = 1,864.82 : x
  2. Step 2: Convert to fraction form
    2,927.95/4,038.46 = 1,864.82/x
  3. Step 3: Cross multiply
    2,927.95x = 4,038.46 × 1,864.82
  4. Step 4: Simplify right side
    2,927.95x = 7,531,006.41
  5. Step 5: Solve for x
    x = 7,531,006.41/2,927.95
  6. Step 6: Final answer
    x = 2,572.11

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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.