Home / 1,504.55-2,075.95-841.36

Finding the Fourth Proportional to 1,504.55, 2,075.95 and 841.36

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Solution

The fourth proportional to 1,504.55, 2,075.95 and 841.36 is: 1,160.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,504.55 : 2,075.95 = 841.36 : x
  2. Step 2: Convert to fraction form
    1,504.55/2,075.95 = 841.36/x
  3. Step 3: Cross multiply
    1,504.55x = 2,075.95 × 841.36
  4. Step 4: Simplify right side
    1,504.55x = 1,746,621.29
  5. Step 5: Solve for x
    x = 1,746,621.29/1,504.55
  6. Step 6: Final answer
    x = 1,160.89

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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.