Home / 1,859.95-2,567.67-1,439.35

Finding the Fourth Proportional to 1,859.95, 2,567.67 and 1,439.35

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Solution

The fourth proportional to 1,859.95, 2,567.67 and 1,439.35 is: 1,987.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,859.95 : 2,567.67 = 1,439.35 : x
  2. Step 2: Convert to fraction form
    1,859.95/2,567.67 = 1,439.35/x
  3. Step 3: Cross multiply
    1,859.95x = 2,567.67 × 1,439.35
  4. Step 4: Simplify right side
    1,859.95x = 3,695,775.81
  5. Step 5: Solve for x
    x = 3,695,775.81/1,859.95
  6. Step 6: Final answer
    x = 1,987.03

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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.