Home / 1,664.84-2,298.36-1,075.71

Finding the Fourth Proportional to 1,664.84, 2,298.36 and 1,075.71

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Solution

The fourth proportional to 1,664.84, 2,298.36 and 1,075.71 is: 1,485.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,664.84 : 2,298.36 = 1,075.71 : x
  2. Step 2: Convert to fraction form
    1,664.84/2,298.36 = 1,075.71/x
  3. Step 3: Cross multiply
    1,664.84x = 2,298.36 × 1,075.71
  4. Step 4: Simplify right side
    1,664.84x = 2,472,381.49
  5. Step 5: Solve for x
    x = 2,472,381.49/1,664.84
  6. Step 6: Final answer
    x = 1,485.05

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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.