Home / 1,927.59-2,887.75-1,538.02

Finding the Fourth Proportional to 1,927.59, 2,887.75 and 1,538.02

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Solution

The fourth proportional to 1,927.59, 2,887.75 and 1,538.02 is: 2,304.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,927.59 : 2,887.75 = 1,538.02 : x
  2. Step 2: Convert to fraction form
    1,927.59/2,887.75 = 1,538.02/x
  3. Step 3: Cross multiply
    1,927.59x = 2,887.75 × 1,538.02
  4. Step 4: Simplify right side
    1,927.59x = 4,441,417.26
  5. Step 5: Solve for x
    x = 4,441,417.26/1,927.59
  6. Step 6: Final answer
    x = 2,304.13

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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.