Home / 1,927.01-2,875.38-1,809.46

Finding the Fourth Proportional to 1,927.01, 2,875.38 and 1,809.46

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Solution

The fourth proportional to 1,927.01, 2,875.38 and 1,809.46 is: 2,699.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,927.01 : 2,875.38 = 1,809.46 : x
  2. Step 2: Convert to fraction form
    1,927.01/2,875.38 = 1,809.46/x
  3. Step 3: Cross multiply
    1,927.01x = 2,875.38 × 1,809.46
  4. Step 4: Simplify right side
    1,927.01x = 5,202,875.91
  5. Step 5: Solve for x
    x = 5,202,875.91/1,927.01
  6. Step 6: Final answer
    x = 2,699.98

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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.