Home / 1,529.03-2,108.88-1,030.88

Finding the Fourth Proportional to 1,529.03, 2,108.88 and 1,030.88

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Solution

The fourth proportional to 1,529.03, 2,108.88 and 1,030.88 is: 1,421.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,529.03 : 2,108.88 = 1,030.88 : x
  2. Step 2: Convert to fraction form
    1,529.03/2,108.88 = 1,030.88/x
  3. Step 3: Cross multiply
    1,529.03x = 2,108.88 × 1,030.88
  4. Step 4: Simplify right side
    1,529.03x = 2,173,991.67
  5. Step 5: Solve for x
    x = 2,173,991.67/1,529.03
  6. Step 6: Final answer
    x = 1,421.82

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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.