Home / 1,590.11-2,374.13-1,491.69

Finding the Fourth Proportional to 1,590.11, 2,374.13 and 1,491.69

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Solution

The fourth proportional to 1,590.11, 2,374.13 and 1,491.69 is: 2,227.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,590.11 : 2,374.13 = 1,491.69 : x
  2. Step 2: Convert to fraction form
    1,590.11/2,374.13 = 1,491.69/x
  3. Step 3: Cross multiply
    1,590.11x = 2,374.13 × 1,491.69
  4. Step 4: Simplify right side
    1,590.11x = 3,541,465.98
  5. Step 5: Solve for x
    x = 3,541,465.98/1,590.11
  6. Step 6: Final answer
    x = 2,227.18

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These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.