Home / 1,530.40-2,295.44-1,440.16

Finding the Fourth Proportional to 1,530.40, 2,295.44 and 1,440.16

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Solution

The fourth proportional to 1,530.40, 2,295.44 and 1,440.16 is: 2,160.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,530.40 : 2,295.44 = 1,440.16 : x
  2. Step 2: Convert to fraction form
    1,530.40/2,295.44 = 1,440.16/x
  3. Step 3: Cross multiply
    1,530.40x = 2,295.44 × 1,440.16
  4. Step 4: Simplify right side
    1,530.40x = 3,305,800.87
  5. Step 5: Solve for x
    x = 3,305,800.87/1,530.40
  6. Step 6: Final answer
    x = 2,160.09

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1.5x scale

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.