Home / 1,523.99-2,290.08-1,478.88

Finding the Fourth Proportional to 1,523.99, 2,290.08 and 1,478.88

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Solution

The fourth proportional to 1,523.99, 2,290.08 and 1,478.88 is: 2,222.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,523.99 : 2,290.08 = 1,478.88 : x
  2. Step 2: Convert to fraction form
    1,523.99/2,290.08 = 1,478.88/x
  3. Step 3: Cross multiply
    1,523.99x = 2,290.08 × 1,478.88
  4. Step 4: Simplify right side
    1,523.99x = 3,386,753.51
  5. Step 5: Solve for x
    x = 3,386,753.51/1,523.99
  6. Step 6: Final answer
    x = 2,222.30

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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.