Home / 1,477.08-2,037.29-1,290.20

Finding the Fourth Proportional to 1,477.08, 2,037.29 and 1,290.20

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Solution

The fourth proportional to 1,477.08, 2,037.29 and 1,290.20 is: 1,779.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,477.08 : 2,037.29 = 1,290.20 : x
  2. Step 2: Convert to fraction form
    1,477.08/2,037.29 = 1,290.20/x
  3. Step 3: Cross multiply
    1,477.08x = 2,037.29 × 1,290.20
  4. Step 4: Simplify right side
    1,477.08x = 2,628,494.92
  5. Step 5: Solve for x
    x = 2,628,494.92/1,477.08
  6. Step 6: Final answer
    x = 1,779.52

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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.