Home / 2,443.77-3,376.88-1,779.47

Finding the Fourth Proportional to 2,443.77, 3,376.88 and 1,779.47

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Solution

The fourth proportional to 2,443.77, 3,376.88 and 1,779.47 is: 2,458.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,443.77 : 3,376.88 = 1,779.47 : x
  2. Step 2: Convert to fraction form
    2,443.77/3,376.88 = 1,779.47/x
  3. Step 3: Cross multiply
    2,443.77x = 3,376.88 × 1,779.47
  4. Step 4: Simplify right side
    2,443.77x = 6,009,030.87
  5. Step 5: Solve for x
    x = 6,009,030.87/2,443.77
  6. Step 6: Final answer
    x = 2,458.92

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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.