Home / 1,530.61-2,290.44-1,325.88

Finding the Fourth Proportional to 1,530.61, 2,290.44 and 1,325.88

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Solution

The fourth proportional to 1,530.61, 2,290.44 and 1,325.88 is: 1,984.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,530.61 : 2,290.44 = 1,325.88 : x
  2. Step 2: Convert to fraction form
    1,530.61/2,290.44 = 1,325.88/x
  3. Step 3: Cross multiply
    1,530.61x = 2,290.44 × 1,325.88
  4. Step 4: Simplify right side
    1,530.61x = 3,036,848.59
  5. Step 5: Solve for x
    x = 3,036,848.59/1,530.61
  6. Step 6: Final answer
    x = 1,984.08

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.