Home / 1,779.23-2,455.48-1,033.43

Finding the Fourth Proportional to 1,779.23, 2,455.48 and 1,033.43

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Solution

The fourth proportional to 1,779.23, 2,455.48 and 1,033.43 is: 1,426.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,779.23 : 2,455.48 = 1,033.43 : x
  2. Step 2: Convert to fraction form
    1,779.23/2,455.48 = 1,033.43/x
  3. Step 3: Cross multiply
    1,779.23x = 2,455.48 × 1,033.43
  4. Step 4: Simplify right side
    1,779.23x = 2,537,555.71
  5. Step 5: Solve for x
    x = 2,537,555.71/1,779.23
  6. Step 6: Final answer
    x = 1,426.21

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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.