Home / 1,566.17-2,161.26-857.99

Finding the Fourth Proportional to 1,566.17, 2,161.26 and 857.99

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Solution

The fourth proportional to 1,566.17, 2,161.26 and 857.99 is: 1,184.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,566.17 : 2,161.26 = 857.99 : x
  2. Step 2: Convert to fraction form
    1,566.17/2,161.26 = 857.99/x
  3. Step 3: Cross multiply
    1,566.17x = 2,161.26 × 857.99
  4. Step 4: Simplify right side
    1,566.17x = 1,854,342.46
  5. Step 5: Solve for x
    x = 1,854,342.46/1,566.17
  6. Step 6: Final answer
    x = 1,184.00

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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.