Home / 2,865.40-4,295.10-1,630.14

Finding the Fourth Proportional to 2,865.40, 4,295.10 and 1,630.14

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Solution

The fourth proportional to 2,865.40, 4,295.10 and 1,630.14 is: 2,443.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,865.40 : 4,295.10 = 1,630.14 : x
  2. Step 2: Convert to fraction form
    2,865.40/4,295.10 = 1,630.14/x
  3. Step 3: Cross multiply
    2,865.40x = 4,295.10 × 1,630.14
  4. Step 4: Simplify right side
    2,865.40x = 7,001,614.31
  5. Step 5: Solve for x
    x = 7,001,614.31/2,865.40
  6. Step 6: Final answer
    x = 2,443.50

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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.