Home / 1,872.29-2,583.69-1,075.74

Finding the Fourth Proportional to 1,872.29, 2,583.69 and 1,075.74

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Solution

The fourth proportional to 1,872.29, 2,583.69 and 1,075.74 is: 1,484.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,872.29 : 2,583.69 = 1,075.74 : x
  2. Step 2: Convert to fraction form
    1,872.29/2,583.69 = 1,075.74/x
  3. Step 3: Cross multiply
    1,872.29x = 2,583.69 × 1,075.74
  4. Step 4: Simplify right side
    1,872.29x = 2,779,378.68
  5. Step 5: Solve for x
    x = 2,779,378.68/1,872.29
  6. Step 6: Final answer
    x = 1,484.48

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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.