Home / 2,551.87-3,521.58-1,490.37

Finding the Fourth Proportional to 2,551.87, 3,521.58 and 1,490.37

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Solution

The fourth proportional to 2,551.87, 3,521.58 and 1,490.37 is: 2,056.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,551.87 : 3,521.58 = 1,490.37 : x
  2. Step 2: Convert to fraction form
    2,551.87/3,521.58 = 1,490.37/x
  3. Step 3: Cross multiply
    2,551.87x = 3,521.58 × 1,490.37
  4. Step 4: Simplify right side
    2,551.87x = 5,248,457.18
  5. Step 5: Solve for x
    x = 5,248,457.18/2,551.87
  6. Step 6: Final answer
    x = 2,056.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.