Home / 1,674.21-2,310.45-975.60

Finding the Fourth Proportional to 1,674.21, 2,310.45 and 975.60

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Solution

The fourth proportional to 1,674.21, 2,310.45 and 975.60 is: 1,346.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,674.21 : 2,310.45 = 975.60 : x
  2. Step 2: Convert to fraction form
    1,674.21/2,310.45 = 975.60/x
  3. Step 3: Cross multiply
    1,674.21x = 2,310.45 × 975.60
  4. Step 4: Simplify right side
    1,674.21x = 2,254,075.02
  5. Step 5: Solve for x
    x = 2,254,075.02/1,674.21
  6. Step 6: Final answer
    x = 1,346.35

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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.