Home / 1,875.15-2,812.73-1,753.65

Finding the Fourth Proportional to 1,875.15, 2,812.73 and 1,753.65

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Solution

The fourth proportional to 1,875.15, 2,812.73 and 1,753.65 is: 2,630.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,875.15 : 2,812.73 = 1,753.65 : x
  2. Step 2: Convert to fraction form
    1,875.15/2,812.73 = 1,753.65/x
  3. Step 3: Cross multiply
    1,875.15x = 2,812.73 × 1,753.65
  4. Step 4: Simplify right side
    1,875.15x = 4,932,535.20
  5. Step 5: Solve for x
    x = 4,932,535.20/1,875.15
  6. Step 6: Final answer
    x = 2,630.48

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1.5x scale

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.