Home / 1,506.71-2,075.54-1,309.88

Finding the Fourth Proportional to 1,506.71, 2,075.54 and 1,309.88

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Solution

The fourth proportional to 1,506.71, 2,075.54 and 1,309.88 is: 1,804.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,506.71 : 2,075.54 = 1,309.88 : x
  2. Step 2: Convert to fraction form
    1,506.71/2,075.54 = 1,309.88/x
  3. Step 3: Cross multiply
    1,506.71x = 2,075.54 × 1,309.88
  4. Step 4: Simplify right side
    1,506.71x = 2,718,691.41
  5. Step 5: Solve for x
    x = 2,718,691.41/1,506.71
  6. Step 6: Final answer
    x = 1,804.40

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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.