Home / 1,630.40-2,444.18-1,168.70

Finding the Fourth Proportional to 1,630.40, 2,444.18 and 1,168.70

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Solution

The fourth proportional to 1,630.40, 2,444.18 and 1,168.70 is: 1,752.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,630.40 : 2,444.18 = 1,168.70 : x
  2. Step 2: Convert to fraction form
    1,630.40/2,444.18 = 1,168.70/x
  3. Step 3: Cross multiply
    1,630.40x = 2,444.18 × 1,168.70
  4. Step 4: Simplify right side
    1,630.40x = 2,856,495.10
  5. Step 5: Solve for x
    x = 2,856,495.10/1,630.40
  6. Step 6: Final answer
    x = 1,752.03

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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.