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Finding the Fourth Proportional to 2,159.58, 3,241.08 and 1,510.86

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Solution

The fourth proportional to 2,159.58, 3,241.08 and 1,510.86 is: 2,267.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,159.58 : 3,241.08 = 1,510.86 : x
  2. Step 2: Convert to fraction form
    2,159.58/3,241.08 = 1,510.86/x
  3. Step 3: Cross multiply
    2,159.58x = 3,241.08 × 1,510.86
  4. Step 4: Simplify right side
    2,159.58x = 4,896,818.13
  5. Step 5: Solve for x
    x = 4,896,818.13/2,159.58
  6. Step 6: Final answer
    x = 2,267.49

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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.