Home / 1,582.77-2,179.51-1,250.17

Finding the Fourth Proportional to 1,582.77, 2,179.51 and 1,250.17

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Solution

The fourth proportional to 1,582.77, 2,179.51 and 1,250.17 is: 1,721.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,582.77 : 2,179.51 = 1,250.17 : x
  2. Step 2: Convert to fraction form
    1,582.77/2,179.51 = 1,250.17/x
  3. Step 3: Cross multiply
    1,582.77x = 2,179.51 × 1,250.17
  4. Step 4: Simplify right side
    1,582.77x = 2,724,749.44
  5. Step 5: Solve for x
    x = 2,724,749.44/1,582.77
  6. Step 6: Final answer
    x = 1,721.50

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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.