Home / 1,566.03-2,156.20-1,329.51

Finding the Fourth Proportional to 1,566.03, 2,156.20 and 1,329.51

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Solution

The fourth proportional to 1,566.03, 2,156.20 and 1,329.51 is: 1,830.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,566.03 : 2,156.20 = 1,329.51 : x
  2. Step 2: Convert to fraction form
    1,566.03/2,156.20 = 1,329.51/x
  3. Step 3: Cross multiply
    1,566.03x = 2,156.20 × 1,329.51
  4. Step 4: Simplify right side
    1,566.03x = 2,866,689.46
  5. Step 5: Solve for x
    x = 2,866,689.46/1,566.03
  6. Step 6: Final answer
    x = 1,830.55

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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.