Home / 1,702.08-2,360.16-1,670.40

Finding the Fourth Proportional to 1,702.08, 2,360.16 and 1,670.40

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Solution

The fourth proportional to 1,702.08, 2,360.16 and 1,670.40 is: 2,316.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,702.08 : 2,360.16 = 1,670.40 : x
  2. Step 2: Convert to fraction form
    1,702.08/2,360.16 = 1,670.40/x
  3. Step 3: Cross multiply
    1,702.08x = 2,360.16 × 1,670.40
  4. Step 4: Simplify right side
    1,702.08x = 3,942,411.26
  5. Step 5: Solve for x
    x = 3,942,411.26/1,702.08
  6. Step 6: Final answer
    x = 2,316.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.