Home / 1,558.30-2,337.90-1,490.98

Finding the Fourth Proportional to 1,558.30, 2,337.90 and 1,490.98

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Solution

The fourth proportional to 1,558.30, 2,337.90 and 1,490.98 is: 2,236.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,558.30 : 2,337.90 = 1,490.98 : x
  2. Step 2: Convert to fraction form
    1,558.30/2,337.90 = 1,490.98/x
  3. Step 3: Cross multiply
    1,558.30x = 2,337.90 × 1,490.98
  4. Step 4: Simplify right side
    1,558.30x = 3,485,762.14
  5. Step 5: Solve for x
    x = 3,485,762.14/1,558.30
  6. Step 6: Final answer
    x = 2,236.90

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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.