Home / 1,585.04-2,378.09-893.06

Finding the Fourth Proportional to 1,585.04, 2,378.09 and 893.06

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Solution

The fourth proportional to 1,585.04, 2,378.09 and 893.06 is: 1,339.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,585.04 : 2,378.09 = 893.06 : x
  2. Step 2: Convert to fraction form
    1,585.04/2,378.09 = 893.06/x
  3. Step 3: Cross multiply
    1,585.04x = 2,378.09 × 893.06
  4. Step 4: Simplify right side
    1,585.04x = 2,123,777.06
  5. Step 5: Solve for x
    x = 2,123,777.06/1,585.04
  6. Step 6: Final answer
    x = 1,339.89

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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.