Home / 1,816.28-2,506.38-1,030.60

Finding the Fourth Proportional to 1,816.28, 2,506.38 and 1,030.60

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Solution

The fourth proportional to 1,816.28, 2,506.38 and 1,030.60 is: 1,422.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,816.28 : 2,506.38 = 1,030.60 : x
  2. Step 2: Convert to fraction form
    1,816.28/2,506.38 = 1,030.60/x
  3. Step 3: Cross multiply
    1,816.28x = 2,506.38 × 1,030.60
  4. Step 4: Simplify right side
    1,816.28x = 2,583,075.23
  5. Step 5: Solve for x
    x = 2,583,075.23/1,816.28
  6. Step 6: Final answer
    x = 1,422.18

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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.