Home / 2,037.40-3,059.70-1,490.20

Finding the Fourth Proportional to 2,037.40, 3,059.70 and 1,490.20

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Solution

The fourth proportional to 2,037.40, 3,059.70 and 1,490.20 is: 2,237.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,037.40 : 3,059.70 = 1,490.20 : x
  2. Step 2: Convert to fraction form
    2,037.40/3,059.70 = 1,490.20/x
  3. Step 3: Cross multiply
    2,037.40x = 3,059.70 × 1,490.20
  4. Step 4: Simplify right side
    2,037.40x = 4,559,564.94
  5. Step 5: Solve for x
    x = 4,559,564.94/2,037.40
  6. Step 6: Final answer
    x = 2,237.93

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1.5x scale

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.