Home / 2,001.51-3,000.78-1,507.41

Finding the Fourth Proportional to 2,001.51, 3,000.78 and 1,507.41

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Solution

The fourth proportional to 2,001.51, 3,000.78 and 1,507.41 is: 2,260.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,001.51 : 3,000.78 = 1,507.41 : x
  2. Step 2: Convert to fraction form
    2,001.51/3,000.78 = 1,507.41/x
  3. Step 3: Cross multiply
    2,001.51x = 3,000.78 × 1,507.41
  4. Step 4: Simplify right side
    2,001.51x = 4,523,405.78
  5. Step 5: Solve for x
    x = 4,523,405.78/2,001.51
  6. Step 6: Final answer
    x = 2,260.00

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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.