Home / 1,518.03-2,275.52-1,210.41

Finding the Fourth Proportional to 1,518.03, 2,275.52 and 1,210.41

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Solution

The fourth proportional to 1,518.03, 2,275.52 and 1,210.41 is: 1,814.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,518.03 : 2,275.52 = 1,210.41 : x
  2. Step 2: Convert to fraction form
    1,518.03/2,275.52 = 1,210.41/x
  3. Step 3: Cross multiply
    1,518.03x = 2,275.52 × 1,210.41
  4. Step 4: Simplify right side
    1,518.03x = 2,754,306.11
  5. Step 5: Solve for x
    x = 2,754,306.11/1,518.03
  6. Step 6: Final answer
    x = 1,814.40

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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.