Home / 1,490.16-2,235.03-450.33

Finding the Fourth Proportional to 1,490.16, 2,235.03 and 450.33

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Solution

The fourth proportional to 1,490.16, 2,235.03 and 450.33 is: 675.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,490.16 : 2,235.03 = 450.33 : x
  2. Step 2: Convert to fraction form
    1,490.16/2,235.03 = 450.33/x
  3. Step 3: Cross multiply
    1,490.16x = 2,235.03 × 450.33
  4. Step 4: Simplify right side
    1,490.16x = 1,006,501.06
  5. Step 5: Solve for x
    x = 1,006,501.06/1,490.16
  6. Step 6: Final answer
    x = 675.43

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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.