Home / 2,312.20-3,462.48-1,490.56

Finding the Fourth Proportional to 2,312.20, 3,462.48 and 1,490.56

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Solution

The fourth proportional to 2,312.20, 3,462.48 and 1,490.56 is: 2,232.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,312.20 : 3,462.48 = 1,490.56 : x
  2. Step 2: Convert to fraction form
    2,312.20/3,462.48 = 1,490.56/x
  3. Step 3: Cross multiply
    2,312.20x = 3,462.48 × 1,490.56
  4. Step 4: Simplify right side
    2,312.20x = 5,161,034.19
  5. Step 5: Solve for x
    x = 5,161,034.19/2,312.20
  6. Step 6: Final answer
    x = 2,232.09

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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.