Home / 1,574.12-2,167.44-1,376.48

Finding the Fourth Proportional to 1,574.12, 2,167.44 and 1,376.48

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Solution

The fourth proportional to 1,574.12, 2,167.44 and 1,376.48 is: 1,895.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,574.12 : 2,167.44 = 1,376.48 : x
  2. Step 2: Convert to fraction form
    1,574.12/2,167.44 = 1,376.48/x
  3. Step 3: Cross multiply
    1,574.12x = 2,167.44 × 1,376.48
  4. Step 4: Simplify right side
    1,574.12x = 2,983,437.81
  5. Step 5: Solve for x
    x = 2,983,437.81/1,574.12
  6. Step 6: Final answer
    x = 1,895.31

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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.