Home / 2,399.74-3,312.57-1,875.94

Finding the Fourth Proportional to 2,399.74, 3,312.57 and 1,875.94

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Solution

The fourth proportional to 2,399.74, 3,312.57 and 1,875.94 is: 2,589.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,399.74 : 3,312.57 = 1,875.94 : x
  2. Step 2: Convert to fraction form
    2,399.74/3,312.57 = 1,875.94/x
  3. Step 3: Cross multiply
    2,399.74x = 3,312.57 × 1,875.94
  4. Step 4: Simplify right side
    2,399.74x = 6,214,182.57
  5. Step 5: Solve for x
    x = 6,214,182.57/2,399.74
  6. Step 6: Final answer
    x = 2,589.52

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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.