Home / 2,030.88-2,798.64-1,331.04

Finding the Fourth Proportional to 2,030.88, 2,798.64 and 1,331.04

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Solution

The fourth proportional to 2,030.88, 2,798.64 and 1,331.04 is: 1,834.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,030.88 : 2,798.64 = 1,331.04 : x
  2. Step 2: Convert to fraction form
    2,030.88/2,798.64 = 1,331.04/x
  3. Step 3: Cross multiply
    2,030.88x = 2,798.64 × 1,331.04
  4. Step 4: Simplify right side
    2,030.88x = 3,725,101.79
  5. Step 5: Solve for x
    x = 3,725,101.79/2,030.88
  6. Step 6: Final answer
    x = 1,834.23

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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.