Home / 1,680.55-2,510.87-1,623.13

Finding the Fourth Proportional to 1,680.55, 2,510.87 and 1,623.13

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Solution

The fourth proportional to 1,680.55, 2,510.87 and 1,623.13 is: 2,425.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,680.55 : 2,510.87 = 1,623.13 : x
  2. Step 2: Convert to fraction form
    1,680.55/2,510.87 = 1,623.13/x
  3. Step 3: Cross multiply
    1,680.55x = 2,510.87 × 1,623.13
  4. Step 4: Simplify right side
    1,680.55x = 4,075,468.42
  5. Step 5: Solve for x
    x = 4,075,468.42/1,680.55
  6. Step 6: Final answer
    x = 2,425.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.