Home / 2,953.10-4,429.65-1,490.24

Finding the Fourth Proportional to 2,953.10, 4,429.65 and 1,490.24

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Solution

The fourth proportional to 2,953.10, 4,429.65 and 1,490.24 is: 2,235.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,953.10 : 4,429.65 = 1,490.24 : x
  2. Step 2: Convert to fraction form
    2,953.10/4,429.65 = 1,490.24/x
  3. Step 3: Cross multiply
    2,953.10x = 4,429.65 × 1,490.24
  4. Step 4: Simplify right side
    2,953.10x = 6,601,241.62
  5. Step 5: Solve for x
    x = 6,601,241.62/2,953.10
  6. Step 6: Final answer
    x = 2,235.36

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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.