Home / 1,559.35-2,332.14-1,387.23

Finding the Fourth Proportional to 1,559.35, 2,332.14 and 1,387.23

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Solution

The fourth proportional to 1,559.35, 2,332.14 and 1,387.23 is: 2,074.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,559.35 : 2,332.14 = 1,387.23 : x
  2. Step 2: Convert to fraction form
    1,559.35/2,332.14 = 1,387.23/x
  3. Step 3: Cross multiply
    1,559.35x = 2,332.14 × 1,387.23
  4. Step 4: Simplify right side
    1,559.35x = 3,235,214.57
  5. Step 5: Solve for x
    x = 3,235,214.57/1,559.35
  6. Step 6: Final answer
    x = 2,074.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.