Home / 1,914.58-2,642.28-1,075.34

Finding the Fourth Proportional to 1,914.58, 2,642.28 and 1,075.34

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Solution

The fourth proportional to 1,914.58, 2,642.28 and 1,075.34 is: 1,484.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,914.58 : 2,642.28 = 1,075.34 : x
  2. Step 2: Convert to fraction form
    1,914.58/2,642.28 = 1,075.34/x
  3. Step 3: Cross multiply
    1,914.58x = 2,642.28 × 1,075.34
  4. Step 4: Simplify right side
    1,914.58x = 2,841,349.38
  5. Step 5: Solve for x
    x = 2,841,349.38/1,914.58
  6. Step 6: Final answer
    x = 1,484.06

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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.