Home / 2,088.40-2,882.60-1,303.60

Finding the Fourth Proportional to 2,088.40, 2,882.60 and 1,303.60

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Solution

The fourth proportional to 2,088.40, 2,882.60 and 1,303.60 is: 1,799.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,088.40 : 2,882.60 = 1,303.60 : x
  2. Step 2: Convert to fraction form
    2,088.40/2,882.60 = 1,303.60/x
  3. Step 3: Cross multiply
    2,088.40x = 2,882.60 × 1,303.60
  4. Step 4: Simplify right side
    2,088.40x = 3,757,757.36
  5. Step 5: Solve for x
    x = 3,757,757.36/2,088.40
  6. Step 6: Final answer
    x = 1,799.35

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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.