Home / 1,490.13-2,235.06-1,084.05

Finding the Fourth Proportional to 1,490.13, 2,235.06 and 1,084.05

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Solution

The fourth proportional to 1,490.13, 2,235.06 and 1,084.05 is: 1,625.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,490.13 : 2,235.06 = 1,084.05 : x
  2. Step 2: Convert to fraction form
    1,490.13/2,235.06 = 1,084.05/x
  3. Step 3: Cross multiply
    1,490.13x = 2,235.06 × 1,084.05
  4. Step 4: Simplify right side
    1,490.13x = 2,422,916.79
  5. Step 5: Solve for x
    x = 2,422,916.79/1,490.13
  6. Step 6: Final answer
    x = 1,625.98

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.