Home / 1,559.03-2,151.34-895.75

Finding the Fourth Proportional to 1,559.03, 2,151.34 and 895.75

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Solution

The fourth proportional to 1,559.03, 2,151.34 and 895.75 is: 1,236.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,559.03 : 2,151.34 = 895.75 : x
  2. Step 2: Convert to fraction form
    1,559.03/2,151.34 = 895.75/x
  3. Step 3: Cross multiply
    1,559.03x = 2,151.34 × 895.75
  4. Step 4: Simplify right side
    1,559.03x = 1,927,062.81
  5. Step 5: Solve for x
    x = 1,927,062.81/1,559.03
  6. Step 6: Final answer
    x = 1,236.07

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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.