Home / 1,590.64-2,191.39-1,516.83

Finding the Fourth Proportional to 1,590.64, 2,191.39 and 1,516.83

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Solution

The fourth proportional to 1,590.64, 2,191.39 and 1,516.83 is: 2,089.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,590.64 : 2,191.39 = 1,516.83 : x
  2. Step 2: Convert to fraction form
    1,590.64/2,191.39 = 1,516.83/x
  3. Step 3: Cross multiply
    1,590.64x = 2,191.39 × 1,516.83
  4. Step 4: Simplify right side
    1,590.64x = 3,323,954.08
  5. Step 5: Solve for x
    x = 3,323,954.08/1,590.64
  6. Step 6: Final answer
    x = 2,089.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.