Home / 2,014.32-2,779.77-1,315.70

Finding the Fourth Proportional to 2,014.32, 2,779.77 and 1,315.70

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Solution

The fourth proportional to 2,014.32, 2,779.77 and 1,315.70 is: 1,815.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,014.32 : 2,779.77 = 1,315.70 : x
  2. Step 2: Convert to fraction form
    2,014.32/2,779.77 = 1,315.70/x
  3. Step 3: Cross multiply
    2,014.32x = 2,779.77 × 1,315.70
  4. Step 4: Simplify right side
    2,014.32x = 3,657,329.49
  5. Step 5: Solve for x
    x = 3,657,329.49/2,014.32
  6. Step 6: Final answer
    x = 1,815.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.