Home / 1,490.85-2,235.40-566.48

Finding the Fourth Proportional to 1,490.85, 2,235.40 and 566.48

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Solution

The fourth proportional to 1,490.85, 2,235.40 and 566.48 is: 849.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,490.85 : 2,235.40 = 566.48 : x
  2. Step 2: Convert to fraction form
    1,490.85/2,235.40 = 566.48/x
  3. Step 3: Cross multiply
    1,490.85x = 2,235.40 × 566.48
  4. Step 4: Simplify right side
    1,490.85x = 1,266,296.80
  5. Step 5: Solve for x
    x = 1,266,296.80/1,490.85
  6. Step 6: Final answer
    x = 849.38

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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.