Home / 2,059.18-2,841.96-1,312.90

Finding the Fourth Proportional to 2,059.18, 2,841.96 and 1,312.90

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Solution

The fourth proportional to 2,059.18, 2,841.96 and 1,312.90 is: 1,811.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,059.18 : 2,841.96 = 1,312.90 : x
  2. Step 2: Convert to fraction form
    2,059.18/2,841.96 = 1,312.90/x
  3. Step 3: Cross multiply
    2,059.18x = 2,841.96 × 1,312.90
  4. Step 4: Simplify right side
    2,059.18x = 3,731,209.28
  5. Step 5: Solve for x
    x = 3,731,209.28/2,059.18
  6. Step 6: Final answer
    x = 1,811.99

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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.