Home / 2,588.04-3,881.04-1,126.20

Finding the Fourth Proportional to 2,588.04, 3,881.04 and 1,126.20

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Solution

The fourth proportional to 2,588.04, 3,881.04 and 1,126.20 is: 1,688.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,588.04 : 3,881.04 = 1,126.20 : x
  2. Step 2: Convert to fraction form
    2,588.04/3,881.04 = 1,126.20/x
  3. Step 3: Cross multiply
    2,588.04x = 3,881.04 × 1,126.20
  4. Step 4: Simplify right side
    2,588.04x = 4,370,827.25
  5. Step 5: Solve for x
    x = 4,370,827.25/2,588.04
  6. Step 6: Final answer
    x = 1,688.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.