Home / 1,897.32-2,617.70-1,069.16

Finding the Fourth Proportional to 1,897.32, 2,617.70 and 1,069.16

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Solution

The fourth proportional to 1,897.32, 2,617.70 and 1,069.16 is: 1,475.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,897.32 : 2,617.70 = 1,069.16 : x
  2. Step 2: Convert to fraction form
    1,897.32/2,617.70 = 1,069.16/x
  3. Step 3: Cross multiply
    1,897.32x = 2,617.70 × 1,069.16
  4. Step 4: Simplify right side
    1,897.32x = 2,798,740.13
  5. Step 5: Solve for x
    x = 2,798,740.13/1,897.32
  6. Step 6: Final answer
    x = 1,475.10

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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.