Home / 2,015.01-2,777.09-1,490.13

Finding the Fourth Proportional to 2,015.01, 2,777.09 and 1,490.13

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Solution

The fourth proportional to 2,015.01, 2,777.09 and 1,490.13 is: 2,053.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,015.01 : 2,777.09 = 1,490.13 : x
  2. Step 2: Convert to fraction form
    2,015.01/2,777.09 = 1,490.13/x
  3. Step 3: Cross multiply
    2,015.01x = 2,777.09 × 1,490.13
  4. Step 4: Simplify right side
    2,015.01x = 4,138,217.67
  5. Step 5: Solve for x
    x = 4,138,217.67/2,015.01
  6. Step 6: Final answer
    x = 2,053.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.