Home / 1,400.02-2,108.18-1,012.74

Finding the Fourth Proportional to 1,400.02, 2,108.18 and 1,012.74

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Solution

The fourth proportional to 1,400.02, 2,108.18 and 1,012.74 is: 1,525.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,400.02 : 2,108.18 = 1,012.74 : x
  2. Step 2: Convert to fraction form
    1,400.02/2,108.18 = 1,012.74/x
  3. Step 3: Cross multiply
    1,400.02x = 2,108.18 × 1,012.74
  4. Step 4: Simplify right side
    1,400.02x = 2,135,036.04
  5. Step 5: Solve for x
    x = 2,135,036.04/1,400.02
  6. Step 6: Final answer
    x = 1,525.00

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.