Home / 1,860.19-2,567.10-1,020.89

Finding the Fourth Proportional to 1,860.19, 2,567.10 and 1,020.89

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Solution

The fourth proportional to 1,860.19, 2,567.10 and 1,020.89 is: 1,408.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,860.19 : 2,567.10 = 1,020.89 : x
  2. Step 2: Convert to fraction form
    1,860.19/2,567.10 = 1,020.89/x
  3. Step 3: Cross multiply
    1,860.19x = 2,567.10 × 1,020.89
  4. Step 4: Simplify right side
    1,860.19x = 2,620,713.88
  5. Step 5: Solve for x
    x = 2,620,713.88/1,860.19
  6. Step 6: Final answer
    x = 1,408.84

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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.