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Finding the Fourth Proportional to 1,779.90, 2,656.99 and 1,700.01

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Solution

The fourth proportional to 1,779.90, 2,656.99 and 1,700.01 is: 2,537.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,779.90 : 2,656.99 = 1,700.01 : x
  2. Step 2: Convert to fraction form
    1,779.90/2,656.99 = 1,700.01/x
  3. Step 3: Cross multiply
    1,779.90x = 2,656.99 × 1,700.01
  4. Step 4: Simplify right side
    1,779.90x = 4,516,909.57
  5. Step 5: Solve for x
    x = 4,516,909.57/1,779.90
  6. Step 6: Final answer
    x = 2,537.73

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.