Home / 2,605.34-3,595.14-1,426.40

Finding the Fourth Proportional to 2,605.34, 3,595.14 and 1,426.40

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Solution

The fourth proportional to 2,605.34, 3,595.14 and 1,426.40 is: 1,968.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,605.34 : 3,595.14 = 1,426.40 : x
  2. Step 2: Convert to fraction form
    2,605.34/3,595.14 = 1,426.40/x
  3. Step 3: Cross multiply
    2,605.34x = 3,595.14 × 1,426.40
  4. Step 4: Simplify right side
    2,605.34x = 5,128,107.70
  5. Step 5: Solve for x
    x = 5,128,107.70/2,605.34
  6. Step 6: Final answer
    x = 1,968.31

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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.