Home / 2,387.02-3,580.26-999.52

Finding the Fourth Proportional to 2,387.02, 3,580.26 and 999.52

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Solution

The fourth proportional to 2,387.02, 3,580.26 and 999.52 is: 1,499.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,387.02 : 3,580.26 = 999.52 : x
  2. Step 2: Convert to fraction form
    2,387.02/3,580.26 = 999.52/x
  3. Step 3: Cross multiply
    2,387.02x = 3,580.26 × 999.52
  4. Step 4: Simplify right side
    2,387.02x = 3,578,541.48
  5. Step 5: Solve for x
    x = 3,578,541.48/2,387.02
  6. Step 6: Final answer
    x = 1,499.17

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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.