Home / 1,523.08-2,278.86-1,430.92

Finding the Fourth Proportional to 1,523.08, 2,278.86 and 1,430.92

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Solution

The fourth proportional to 1,523.08, 2,278.86 and 1,430.92 is: 2,140.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,523.08 : 2,278.86 = 1,430.92 : x
  2. Step 2: Convert to fraction form
    1,523.08/2,278.86 = 1,430.92/x
  3. Step 3: Cross multiply
    1,523.08x = 2,278.86 × 1,430.92
  4. Step 4: Simplify right side
    1,523.08x = 3,260,866.35
  5. Step 5: Solve for x
    x = 3,260,866.35/1,523.08
  6. Step 6: Final answer
    x = 2,140.97

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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.