Home / 1,475.57-2,208.29-1,164.80

Finding the Fourth Proportional to 1,475.57, 2,208.29 and 1,164.80

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Solution

The fourth proportional to 1,475.57, 2,208.29 and 1,164.80 is: 1,743.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,475.57 : 2,208.29 = 1,164.80 : x
  2. Step 2: Convert to fraction form
    1,475.57/2,208.29 = 1,164.80/x
  3. Step 3: Cross multiply
    1,475.57x = 2,208.29 × 1,164.80
  4. Step 4: Simplify right side
    1,475.57x = 2,572,199.33
  5. Step 5: Solve for x
    x = 2,572,199.33/1,475.57
  6. Step 6: Final answer
    x = 1,743.20

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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.