Home / 2,088.10-3,130.61-1,266.22

Finding the Fourth Proportional to 2,088.10, 3,130.61 and 1,266.22

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Solution

The fourth proportional to 2,088.10, 3,130.61 and 1,266.22 is: 1,898.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,088.10 : 3,130.61 = 1,266.22 : x
  2. Step 2: Convert to fraction form
    2,088.10/3,130.61 = 1,266.22/x
  3. Step 3: Cross multiply
    2,088.10x = 3,130.61 × 1,266.22
  4. Step 4: Simplify right side
    2,088.10x = 3,964,036.33
  5. Step 5: Solve for x
    x = 3,964,036.33/2,088.10
  6. Step 6: Final answer
    x = 1,898.40

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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.