Home / 2,090.24-2,886.32-1,565.28

Finding the Fourth Proportional to 2,090.24, 2,886.32 and 1,565.28

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Solution

The fourth proportional to 2,090.24, 2,886.32 and 1,565.28 is: 2,161.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,090.24 : 2,886.32 = 1,565.28 : x
  2. Step 2: Convert to fraction form
    2,090.24/2,886.32 = 1,565.28/x
  3. Step 3: Cross multiply
    2,090.24x = 2,886.32 × 1,565.28
  4. Step 4: Simplify right side
    2,090.24x = 4,517,898.97
  5. Step 5: Solve for x
    x = 4,517,898.97/2,090.24
  6. Step 6: Final answer
    x = 2,161.43

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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.