Home / 1,588.60-2,188.38-1,322.92

Finding the Fourth Proportional to 1,588.60, 2,188.38 and 1,322.92

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Solution

The fourth proportional to 1,588.60, 2,188.38 and 1,322.92 is: 1,822.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,588.60 : 2,188.38 = 1,322.92 : x
  2. Step 2: Convert to fraction form
    1,588.60/2,188.38 = 1,322.92/x
  3. Step 3: Cross multiply
    1,588.60x = 2,188.38 × 1,322.92
  4. Step 4: Simplify right side
    1,588.60x = 2,895,051.67
  5. Step 5: Solve for x
    x = 2,895,051.67/1,588.60
  6. Step 6: Final answer
    x = 1,822.39

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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.