Home / 2,914.78-4,022.40-1,588.51

Finding the Fourth Proportional to 2,914.78, 4,022.40 and 1,588.51

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Solution

The fourth proportional to 2,914.78, 4,022.40 and 1,588.51 is: 2,192.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,914.78 : 4,022.40 = 1,588.51 : x
  2. Step 2: Convert to fraction form
    2,914.78/4,022.40 = 1,588.51/x
  3. Step 3: Cross multiply
    2,914.78x = 4,022.40 × 1,588.51
  4. Step 4: Simplify right side
    2,914.78x = 6,389,602.51
  5. Step 5: Solve for x
    x = 6,389,602.51/2,914.78
  6. Step 6: Final answer
    x = 2,192.14

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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.