Home / 1,490.23-2,235.35-1,026.64

Finding the Fourth Proportional to 1,490.23, 2,235.35 and 1,026.64

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Solution

The fourth proportional to 1,490.23, 2,235.35 and 1,026.64 is: 1,539.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,490.23 : 2,235.35 = 1,026.64 : x
  2. Step 2: Convert to fraction form
    1,490.23/2,235.35 = 1,026.64/x
  3. Step 3: Cross multiply
    1,490.23x = 2,235.35 × 1,026.64
  4. Step 4: Simplify right side
    1,490.23x = 2,294,899.72
  5. Step 5: Solve for x
    x = 2,294,899.72/1,490.23
  6. Step 6: Final answer
    x = 1,539.96

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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.