Home / 1,574.94-2,173.08-1,339.83

Finding the Fourth Proportional to 1,574.94, 2,173.08 and 1,339.83

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Solution

The fourth proportional to 1,574.94, 2,173.08 and 1,339.83 is: 1,848.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,574.94 : 2,173.08 = 1,339.83 : x
  2. Step 2: Convert to fraction form
    1,574.94/2,173.08 = 1,339.83/x
  3. Step 3: Cross multiply
    1,574.94x = 2,173.08 × 1,339.83
  4. Step 4: Simplify right side
    1,574.94x = 2,911,557.78
  5. Step 5: Solve for x
    x = 2,911,557.78/1,574.94
  6. Step 6: Final answer
    x = 1,848.68

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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.