Home / 1,875.12-2,583.48-1,700.40

Finding the Fourth Proportional to 1,875.12, 2,583.48 and 1,700.40

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Solution

The fourth proportional to 1,875.12, 2,583.48 and 1,700.40 is: 2,342.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,875.12 : 2,583.48 = 1,700.40 : x
  2. Step 2: Convert to fraction form
    1,875.12/2,583.48 = 1,700.40/x
  3. Step 3: Cross multiply
    1,875.12x = 2,583.48 × 1,700.40
  4. Step 4: Simplify right side
    1,875.12x = 4,392,949.39
  5. Step 5: Solve for x
    x = 4,392,949.39/1,875.12
  6. Step 6: Final answer
    x = 2,342.76

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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.