Home / 2,529.70-3,493.14-1,587.08

Finding the Fourth Proportional to 2,529.70, 3,493.14 and 1,587.08

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Solution

The fourth proportional to 2,529.70, 3,493.14 and 1,587.08 is: 2,191.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,529.70 : 3,493.14 = 1,587.08 : x
  2. Step 2: Convert to fraction form
    2,529.70/3,493.14 = 1,587.08/x
  3. Step 3: Cross multiply
    2,529.70x = 3,493.14 × 1,587.08
  4. Step 4: Simplify right side
    2,529.70x = 5,543,892.63
  5. Step 5: Solve for x
    x = 5,543,892.63/2,529.70
  6. Step 6: Final answer
    x = 2,191.52

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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.