Home / 1,870.19-2,805.89-944.97

Finding the Fourth Proportional to 1,870.19, 2,805.89 and 944.97

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Solution

The fourth proportional to 1,870.19, 2,805.89 and 944.97 is: 1,417.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,870.19 : 2,805.89 = 944.97 : x
  2. Step 2: Convert to fraction form
    1,870.19/2,805.89 = 944.97/x
  3. Step 3: Cross multiply
    1,870.19x = 2,805.89 × 944.97
  4. Step 4: Simplify right side
    1,870.19x = 2,651,477.15
  5. Step 5: Solve for x
    x = 2,651,477.15/1,870.19
  6. Step 6: Final answer
    x = 1,417.76

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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.