Home / 1,572.94-2,357.45-1,377.53

Finding the Fourth Proportional to 1,572.94, 2,357.45 and 1,377.53

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Solution

The fourth proportional to 1,572.94, 2,357.45 and 1,377.53 is: 2,064.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,572.94 : 2,357.45 = 1,377.53 : x
  2. Step 2: Convert to fraction form
    1,572.94/2,357.45 = 1,377.53/x
  3. Step 3: Cross multiply
    1,572.94x = 2,357.45 × 1,377.53
  4. Step 4: Simplify right side
    1,572.94x = 3,247,439.42
  5. Step 5: Solve for x
    x = 3,247,439.42/1,572.94
  6. Step 6: Final answer
    x = 2,064.57

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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.