Home / 1,530.08-2,294.78-434.56

Finding the Fourth Proportional to 1,530.08, 2,294.78 and 434.56

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Solution

The fourth proportional to 1,530.08, 2,294.78 and 434.56 is: 651.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,530.08 : 2,294.78 = 434.56 : x
  2. Step 2: Convert to fraction form
    1,530.08/2,294.78 = 434.56/x
  3. Step 3: Cross multiply
    1,530.08x = 2,294.78 × 434.56
  4. Step 4: Simplify right side
    1,530.08x = 997,219.60
  5. Step 5: Solve for x
    x = 997,219.60/1,530.08
  6. Step 6: Final answer
    x = 651.74

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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.