Home / 1,881.10-2,595.90-1,182.34

Finding the Fourth Proportional to 1,881.10, 2,595.90 and 1,182.34

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Solution

The fourth proportional to 1,881.10, 2,595.90 and 1,182.34 is: 1,631.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,881.10 : 2,595.90 = 1,182.34 : x
  2. Step 2: Convert to fraction form
    1,881.10/2,595.90 = 1,182.34/x
  3. Step 3: Cross multiply
    1,881.10x = 2,595.90 × 1,182.34
  4. Step 4: Simplify right side
    1,881.10x = 3,069,236.41
  5. Step 5: Solve for x
    x = 3,069,236.41/1,881.10
  6. Step 6: Final answer
    x = 1,631.62

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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.