Home / 1,895.00-2,615.03-1,055.63

Finding the Fourth Proportional to 1,895.00, 2,615.03 and 1,055.63

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Solution

The fourth proportional to 1,895.00, 2,615.03 and 1,055.63 is: 1,456.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,895.00 : 2,615.03 = 1,055.63 : x
  2. Step 2: Convert to fraction form
    1,895.00/2,615.03 = 1,055.63/x
  3. Step 3: Cross multiply
    1,895.00x = 2,615.03 × 1,055.63
  4. Step 4: Simplify right side
    1,895.00x = 2,760,509.34
  5. Step 5: Solve for x
    x = 2,760,509.34/1,895.00
  6. Step 6: Final answer
    x = 1,456.74

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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.