Home / 1,591.08-2,189.19-1,554.24

Finding the Fourth Proportional to 1,591.08, 2,189.19 and 1,554.24

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Solution

The fourth proportional to 1,591.08, 2,189.19 and 1,554.24 is: 2,138.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,591.08 : 2,189.19 = 1,554.24 : x
  2. Step 2: Convert to fraction form
    1,591.08/2,189.19 = 1,554.24/x
  3. Step 3: Cross multiply
    1,591.08x = 2,189.19 × 1,554.24
  4. Step 4: Simplify right side
    1,591.08x = 3,402,526.67
  5. Step 5: Solve for x
    x = 3,402,526.67/1,591.08
  6. Step 6: Final answer
    x = 2,138.50

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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.