Home / 2,888.36-3,985.94-1,562.06

Finding the Fourth Proportional to 2,888.36, 3,985.94 and 1,562.06

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Solution

The fourth proportional to 2,888.36, 3,985.94 and 1,562.06 is: 2,155.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,888.36 : 3,985.94 = 1,562.06 : x
  2. Step 2: Convert to fraction form
    2,888.36/3,985.94 = 1,562.06/x
  3. Step 3: Cross multiply
    2,888.36x = 3,985.94 × 1,562.06
  4. Step 4: Simplify right side
    2,888.36x = 6,226,284.57
  5. Step 5: Solve for x
    x = 6,226,284.57/2,888.36
  6. Step 6: Final answer
    x = 2,155.65

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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.