Home / 1,572.68-2,359.04-1,225.19

Finding the Fourth Proportional to 1,572.68, 2,359.04 and 1,225.19

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Solution

The fourth proportional to 1,572.68, 2,359.04 and 1,225.19 is: 1,837.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,572.68 : 2,359.04 = 1,225.19 : x
  2. Step 2: Convert to fraction form
    1,572.68/2,359.04 = 1,225.19/x
  3. Step 3: Cross multiply
    1,572.68x = 2,359.04 × 1,225.19
  4. Step 4: Simplify right side
    1,572.68x = 2,890,254.30
  5. Step 5: Solve for x
    x = 2,890,254.30/1,572.68
  6. Step 6: Final answer
    x = 1,837.80

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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.