Home / 2,854.35-4,281.47-1,315.35

Finding the Fourth Proportional to 2,854.35, 4,281.47 and 1,315.35

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Solution

The fourth proportional to 2,854.35, 4,281.47 and 1,315.35 is: 1,973.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,854.35 : 4,281.47 = 1,315.35 : x
  2. Step 2: Convert to fraction form
    2,854.35/4,281.47 = 1,315.35/x
  3. Step 3: Cross multiply
    2,854.35x = 4,281.47 × 1,315.35
  4. Step 4: Simplify right side
    2,854.35x = 5,631,624.99
  5. Step 5: Solve for x
    x = 5,631,624.99/2,854.35
  6. Step 6: Final answer
    x = 1,973.00

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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.