Home / 1,530.37-2,295.55-434.74

Finding the Fourth Proportional to 1,530.37, 2,295.55 and 434.74

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Solution

The fourth proportional to 1,530.37, 2,295.55 and 434.74 is: 652.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,530.37 : 2,295.55 = 434.74 : x
  2. Step 2: Convert to fraction form
    1,530.37/2,295.55 = 434.74/x
  3. Step 3: Cross multiply
    1,530.37x = 2,295.55 × 434.74
  4. Step 4: Simplify right side
    1,530.37x = 997,967.41
  5. Step 5: Solve for x
    x = 997,967.41/1,530.37
  6. Step 6: Final answer
    x = 652.11

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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.