Home / 2,130.59-2,939.18-1,835.35

Finding the Fourth Proportional to 2,130.59, 2,939.18 and 1,835.35

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Solution

The fourth proportional to 2,130.59, 2,939.18 and 1,835.35 is: 2,531.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,130.59 : 2,939.18 = 1,835.35 : x
  2. Step 2: Convert to fraction form
    2,130.59/2,939.18 = 1,835.35/x
  3. Step 3: Cross multiply
    2,130.59x = 2,939.18 × 1,835.35
  4. Step 4: Simplify right side
    2,130.59x = 5,394,407.49
  5. Step 5: Solve for x
    x = 5,394,407.49/2,130.59
  6. Step 6: Final answer
    x = 2,531.88

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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.