Home / 1,871.57-2,582.94-1,075.01

Finding the Fourth Proportional to 1,871.57, 2,582.94 and 1,075.01

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Solution

The fourth proportional to 1,871.57, 2,582.94 and 1,075.01 is: 1,483.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,871.57 : 2,582.94 = 1,075.01 : x
  2. Step 2: Convert to fraction form
    1,871.57/2,582.94 = 1,075.01/x
  3. Step 3: Cross multiply
    1,871.57x = 2,582.94 × 1,075.01
  4. Step 4: Simplify right side
    1,871.57x = 2,776,673.41
  5. Step 5: Solve for x
    x = 2,776,673.41/1,871.57
  6. Step 6: Final answer
    x = 1,483.61

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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.