Home / 1,479.12-2,030.02-1,318.10

Finding the Fourth Proportional to 1,479.12, 2,030.02 and 1,318.10

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Solution

The fourth proportional to 1,479.12, 2,030.02 and 1,318.10 is: 1,809.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,479.12 : 2,030.02 = 1,318.10 : x
  2. Step 2: Convert to fraction form
    1,479.12/2,030.02 = 1,318.10/x
  3. Step 3: Cross multiply
    1,479.12x = 2,030.02 × 1,318.10
  4. Step 4: Simplify right side
    1,479.12x = 2,675,769.36
  5. Step 5: Solve for x
    x = 2,675,769.36/1,479.12
  6. Step 6: Final answer
    x = 1,809.03

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.