Home / 2,259.09-3,117.08-1,513.99

Finding the Fourth Proportional to 2,259.09, 3,117.08 and 1,513.99

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Solution

The fourth proportional to 2,259.09, 3,117.08 and 1,513.99 is: 2,089.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,259.09 : 3,117.08 = 1,513.99 : x
  2. Step 2: Convert to fraction form
    2,259.09/3,117.08 = 1,513.99/x
  3. Step 3: Cross multiply
    2,259.09x = 3,117.08 × 1,513.99
  4. Step 4: Simplify right side
    2,259.09x = 4,719,235.63
  5. Step 5: Solve for x
    x = 4,719,235.63/2,259.09
  6. Step 6: Final answer
    x = 2,089.00

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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.