Home / 3,526.99-5,290.75-1,187.00

Finding the Fourth Proportional to 3,526.99, 5,290.75 and 1,187.00

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Solution

The fourth proportional to 3,526.99, 5,290.75 and 1,187.00 is: 1,780.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,526.99 : 5,290.75 = 1,187.00 : x
  2. Step 2: Convert to fraction form
    3,526.99/5,290.75 = 1,187.00/x
  3. Step 3: Cross multiply
    3,526.99x = 5,290.75 × 1,187.00
  4. Step 4: Simplify right side
    3,526.99x = 6,280,130.51
  5. Step 5: Solve for x
    x = 6,280,130.51/3,526.99
  6. Step 6: Final answer
    x = 1,780.59

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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.