Home / 2,557.63-3,532.98-2,259.34

Finding the Fourth Proportional to 2,557.63, 3,532.98 and 2,259.34

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Solution

The fourth proportional to 2,557.63, 3,532.98 and 2,259.34 is: 3,120.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,557.63 : 3,532.98 = 2,259.34 : x
  2. Step 2: Convert to fraction form
    2,557.63/3,532.98 = 2,259.34/x
  3. Step 3: Cross multiply
    2,557.63x = 3,532.98 × 2,259.34
  4. Step 4: Simplify right side
    2,557.63x = 7,982,203.03
  5. Step 5: Solve for x
    x = 7,982,203.03/2,557.63
  6. Step 6: Final answer
    x = 3,120.94

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Double scale
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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.