Home / 1,530.34-2,290.47-1,163.10

Finding the Fourth Proportional to 1,530.34, 2,290.47 and 1,163.10

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Solution

The fourth proportional to 1,530.34, 2,290.47 and 1,163.10 is: 1,740.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,530.34 : 2,290.47 = 1,163.10 : x
  2. Step 2: Convert to fraction form
    1,530.34/2,290.47 = 1,163.10/x
  3. Step 3: Cross multiply
    1,530.34x = 2,290.47 × 1,163.10
  4. Step 4: Simplify right side
    1,530.34x = 2,664,045.66
  5. Step 5: Solve for x
    x = 2,664,045.66/1,530.34
  6. Step 6: Final answer
    x = 1,740.82

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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.