Home / 1,566.23-2,161.15-903.17

Finding the Fourth Proportional to 1,566.23, 2,161.15 and 903.17

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Solution

The fourth proportional to 1,566.23, 2,161.15 and 903.17 is: 1,246.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,566.23 : 2,161.15 = 903.17 : x
  2. Step 2: Convert to fraction form
    1,566.23/2,161.15 = 903.17/x
  3. Step 3: Cross multiply
    1,566.23x = 2,161.15 × 903.17
  4. Step 4: Simplify right side
    1,566.23x = 1,951,888.99
  5. Step 5: Solve for x
    x = 1,951,888.99/1,566.23
  6. Step 6: Final answer
    x = 1,246.24

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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.