Home / 2,686.86-4,030.47-1,530.18

Finding the Fourth Proportional to 2,686.86, 4,030.47 and 1,530.18

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Solution

The fourth proportional to 2,686.86, 4,030.47 and 1,530.18 is: 2,295.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,686.86 : 4,030.47 = 1,530.18 : x
  2. Step 2: Convert to fraction form
    2,686.86/4,030.47 = 1,530.18/x
  3. Step 3: Cross multiply
    2,686.86x = 4,030.47 × 1,530.18
  4. Step 4: Simplify right side
    2,686.86x = 6,167,344.58
  5. Step 5: Solve for x
    x = 6,167,344.58/2,686.86
  6. Step 6: Final answer
    x = 2,295.37

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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.