Home / 1,582.99-2,182.49-1,298.36

Finding the Fourth Proportional to 1,582.99, 2,182.49 and 1,298.36

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Solution

The fourth proportional to 1,582.99, 2,182.49 and 1,298.36 is: 1,790.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,582.99 : 2,182.49 = 1,298.36 : x
  2. Step 2: Convert to fraction form
    1,582.99/2,182.49 = 1,298.36/x
  3. Step 3: Cross multiply
    1,582.99x = 2,182.49 × 1,298.36
  4. Step 4: Simplify right side
    1,582.99x = 2,833,657.72
  5. Step 5: Solve for x
    x = 2,833,657.72/1,582.99
  6. Step 6: Final answer
    x = 1,790.07

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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.