Home / 1,590.89-2,383.20-1,471.28

Finding the Fourth Proportional to 1,590.89, 2,383.20 and 1,471.28

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Solution

The fourth proportional to 1,590.89, 2,383.20 and 1,471.28 is: 2,204.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,590.89 : 2,383.20 = 1,471.28 : x
  2. Step 2: Convert to fraction form
    1,590.89/2,383.20 = 1,471.28/x
  3. Step 3: Cross multiply
    1,590.89x = 2,383.20 × 1,471.28
  4. Step 4: Simplify right side
    1,590.89x = 3,506,342.58
  5. Step 5: Solve for x
    x = 3,506,342.58/1,590.89
  6. Step 6: Final answer
    x = 2,204.01

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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.