Home / 1,591.15-2,384.12-1,530.40

Finding the Fourth Proportional to 1,591.15, 2,384.12 and 1,530.40

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Solution

The fourth proportional to 1,591.15, 2,384.12 and 1,530.40 is: 2,293.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,591.15 : 2,384.12 = 1,530.40 : x
  2. Step 2: Convert to fraction form
    1,591.15/2,384.12 = 1,530.40/x
  3. Step 3: Cross multiply
    1,591.15x = 2,384.12 × 1,530.40
  4. Step 4: Simplify right side
    1,591.15x = 3,648,649.60
  5. Step 5: Solve for x
    x = 3,648,649.60/1,591.15
  6. Step 6: Final answer
    x = 2,293.09

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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.