Home / 1,877.04-2,589.68-1,130.72

Finding the Fourth Proportional to 1,877.04, 2,589.68 and 1,130.72

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Solution

The fourth proportional to 1,877.04, 2,589.68 and 1,130.72 is: 1,560.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,877.04 : 2,589.68 = 1,130.72 : x
  2. Step 2: Convert to fraction form
    1,877.04/2,589.68 = 1,130.72/x
  3. Step 3: Cross multiply
    1,877.04x = 2,589.68 × 1,130.72
  4. Step 4: Simplify right side
    1,877.04x = 2,928,184.37
  5. Step 5: Solve for x
    x = 2,928,184.37/1,877.04
  6. Step 6: Final answer
    x = 1,560.00

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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.