Home / 1,875.04-2,814.30-1,259.20

Finding the Fourth Proportional to 1,875.04, 2,814.30 and 1,259.20

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Solution

The fourth proportional to 1,875.04, 2,814.30 and 1,259.20 is: 1,889.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,875.04 : 2,814.30 = 1,259.20 : x
  2. Step 2: Convert to fraction form
    1,875.04/2,814.30 = 1,259.20/x
  3. Step 3: Cross multiply
    1,875.04x = 2,814.30 × 1,259.20
  4. Step 4: Simplify right side
    1,875.04x = 3,543,766.56
  5. Step 5: Solve for x
    x = 3,543,766.56/1,875.04
  6. Step 6: Final answer
    x = 1,889.97

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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.